What is a ratio? - Ratio in context - Edexcel - GCSE Maths Revision - Edexcel - BBC Bitesize (2024)

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What is a ratio? - Ratio in context - Edexcel - GCSE Maths Revision - Edexcel - BBC Bitesize? ›

Ratios are used to show how things are shared. For example, the necklace in the image has a pattern of two red beads for every three yellow beads. The ratio of red beads to yellow beads is . Ratios can have more than two numbers for example, 3 : 4 : 2 .

Ratio is used to compare the size of different parts of a whole. For example, in a whole class of 30 students there are 10 girls and 20 boys. The ratio of girls:boys is 10:20 or 1:2. For every one girl there are two boys.

A ratio shows how much of one thing there is compared to another. Ratios are usually written in the form a:b. If you are making orange squash and you mix one part orange to four parts water, then the ratio of orange to water will be 1:4 (1 to 4). The order in which a ratio is stated is important.

In mathematics, a ratio is a comparison of two or more numbers that indicates their sizes in relation to each other. A ratio compares two quantities by division, with the dividend or number being divided termed the antecedent and the divisor or number that is dividing termed the consequent.

A ratio compares how much of one thing there is compared to another. It can be written using a ':', the word 'to' or as a fraction. In order to convert ratios to fractions when we have the ratio a : b , a:b, a:b, where both values are parts of the total, we can say that for the ratio a a + b \frac{a}{a+b} a+ba and.

A ratio is a relationship between two things when it is expressed in numbers or amounts. For example, if there are ten boys and thirty girls in a room, the ratio of boys to girls is 1:3, or one to three.

Ratios are used to show how things are shared. For example, the necklace in the image has a pattern of two red beads for every three yellow beads. The ratio of red beads to yellow beads is . Ratios can have more than two numbers for example, 3 : 4 : 2 .

Ratios evaluate the similarities or dissimilarities between two numbers by dividing them. If you're comparing one value X to another value Y, your formula would be X/Y. This simply indicates you are dividing information X by information Y. For instance, if X is five and Y is 20, your ratio ought to be 5/20.

Ratio tells us how much of one thing there is in relation to another thing. For example, 'For every 2 apples we have 3 bananas'. Proportion tells us about how much of one thing there is in relation to the whole amount of something. For example, 'There are 50 pieces of fruit, and 1 in every 5 of those is an apple.

: the relationship in quantity, amount, or size between two or more things : proportion.

What is the basic concept of ratio? ›

In simple words, the ratio is the number that can be used to express one quantity as a fraction of the other ones. The two numbers in a ratio can only be compared when they have the same unit. We make use of ratios to compare two things.

In mathematics, a ratio (/ˈreɪʃ(i)oʊ/) shows how many times one number contains another. For example, if there are eight oranges and six lemons in a bowl of fruit, then the ratio of oranges to lemons is eight to six (that is, 8:6, which is equivalent to the ratio 4:3).

In order to simplify a ratio: Calculate the highest common factor of the parts of the ratio. Divide each part of the ratio by the highest common factor.

RatiosRatio analysis

It is often necessary to compare a firm's performance or different organisations' performance over a number of years. Ratio analysis can be used to compare the year to year profitability, liquidity and efficiency of a business or similar businesses.

In order to divide a quantity by a ratio: Add the parts of the ratio together. Divide the quantity by the sum of the parts. Multiply the share value by each part in the ratio.

A ratio is a mathematical expression for size difference between two or more variables. The values aren't the real values, but rather a way to compare them. For instance, when a litter of 6 puppies has 4 girls and 2 boys, the girl -to – boy ratio is 4:2 or 2:1. The simplest form is used for writing ratios.

“Ratio” is often used to describe a post that generates more negative or critical responses compared to positive engagement. When a post is said to be "ratioed," it means that the comments or replies are filled with criticism, disagreement, or negative feedback, creating an imbalance between the engagement metrics.

A ratio is a relationship between two numbers indicating how many times the first number contains the second. For example, if a bowl of fruit contains eight oranges and six lemons, then the ratio of oranges to lemons is eight to six (that is, 8:6, which is equivalent to the ratio 4:3).

the relationship between two groups or amounts that expresses how much bigger one is than the other: The ratio of men to women at the conference was ten to one/10:1. The school is trying to improve its pupil-teacher ratio (= the number of teachers compared with the number of students).