Finding the Fourth Proportional to 67.96, 101.84 and 39.08
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Solution
The fourth proportional to 67.96, 101.84 and 39.08 is: 58.56
Step by Step Solution
- Step 1: Write the proportion equation
67.96 : 101.84 = 39.08 : x - Step 2: Convert to fraction form
67.96/101.84 = 39.08/x - Step 3: Cross multiply
67.96x = 101.84 × 39.08 - Step 4: Simplify right side
67.96x = 3,979.91 - Step 5: Solve for x
x = 3,979.91/67.96 - Step 6: Final answer
x = 58.56
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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.