Question

1) Find the missing number: 7 : 3 = ___ : 15
2) Express 4 months : 3 years to its simplest form.
3) A ratio in the simplest form is 2 : 3 .If its consequent is 45 ,find its antecedent.
4) The equality of two ratios is called _________.
5) If the second and third terms are equal in a proportion, then the proportion is called__________.

Answer 1

1 . 7 : 3 = 35 : 15

2. 1 : 9

3. antecedent is 30.

4. proportion

5. continued proportion .