Solving Proportion Problems
Question 1:
y is directly proportional to the cube root of x.
When x = 343, y = 42, find y when
x = 729.
54
Question 2:
y is directly proportional to the square of x.
When x = 8, y = 512, find y when
x = 7.
392
Question 3:
y is inversely proportional to the square root of x.
When x = 4, y = 21, find y when
x = 49.
6
Question 4:
y is inversely proportional to the cube root of x.
When x = 64, y = 8, find y when
x = 8.
16