Finding the Fourth Proportional to 237.68, 328.08 and 149.17
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Solution
The fourth proportional to 237.68, 328.08 and 149.17 is: 205.89
Step by Step Solution
- Step 1: Write the proportion equation
237.68 : 328.08 = 149.17 : x - Step 2: Convert to fraction form
237.68/328.08 = 149.17/x - Step 3: Cross multiply
237.68x = 328.08 × 149.17 - Step 4: Simplify right side
237.68x = 48,937.87 - Step 5: Solve for x
x = 48,937.87/237.68 - Step 6: Final answer
x = 205.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.