Finding the Fourth Proportional to 381.18, 572.08 and 150.13
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Solution
The fourth proportional to 381.18, 572.08 and 150.13 is: 225.32
Step by Step Solution
- Step 1: Write the proportion equation
381.18 : 572.08 = 150.13 : x - Step 2: Convert to fraction form
381.18/572.08 = 150.13/x - Step 3: Cross multiply
381.18x = 572.08 × 150.13 - Step 4: Simplify right side
381.18x = 85,886.99 - Step 5: Solve for x
x = 85,886.99/381.18 - Step 6: Final answer
x = 225.32
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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.