Question

Solve the following problems.

1. Verify whether the following numbers are in proportion:
(a) 16, 32, 15, 30
(b) 18, 54,9,36
(c) 10, 20, 30, 40
(d) 4, 14, 16,56
(e) 0.8, 3.6, 1.2, 5.4
(f) 222, 185, 114,95

2. In each of the following proportions find the missing term:
(a) 50: 75 :: X: 72
(b) 60: 105 :: 24 : x
(c) 115 :x :: 15:9

3. Find the fourth proportional of 64, 40 and 32.​

Answer 1

Answer:

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