Finding the Fourth Proportional to 160.01, 239.84 and 77.68
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Solution
The fourth proportional to 160.01, 239.84 and 77.68 is: 116.43
Step by Step Solution
- Step 1: Write the proportion equation
160.01 : 239.84 = 77.68 : x - Step 2: Convert to fraction form
160.01/239.84 = 77.68/x - Step 3: Cross multiply
160.01x = 239.84 × 77.68 - Step 4: Simplify right side
160.01x = 18,629.18 - Step 5: Solve for x
x = 18,629.18/160.01 - Step 6: Final answer
x = 116.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.