Finding the Fourth Proportional to 155.14, 232.70 and 63.92
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Solution
The fourth proportional to 155.14, 232.70 and 63.92 is: 95.88
Step by Step Solution
- Step 1: Write the proportion equation
155.14 : 232.70 = 63.92 : x - Step 2: Convert to fraction form
155.14/232.70 = 63.92/x - Step 3: Cross multiply
155.14x = 232.70 × 63.92 - Step 4: Simplify right side
155.14x = 14,874.18 - Step 5: Solve for x
x = 14,874.18/155.14 - Step 6: Final answer
x = 95.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.