Finding the Fourth Proportional to 160.18, 220.99 and 101.99
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Solution
The fourth proportional to 160.18, 220.99 and 101.99 is: 140.71
Step by Step Solution
- Step 1: Write the proportion equation
160.18 : 220.99 = 101.99 : x - Step 2: Convert to fraction form
160.18/220.99 = 101.99/x - Step 3: Cross multiply
160.18x = 220.99 × 101.99 - Step 4: Simplify right side
160.18x = 22,538.26 - Step 5: Solve for x
x = 22,538.26/160.18 - Step 6: Final answer
x = 140.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.