Finding the Fourth Proportional to 371.96, 557.99 and 125.08
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Solution
The fourth proportional to 371.96, 557.99 and 125.08 is: 187.64
Step by Step Solution
- Step 1: Write the proportion equation
371.96 : 557.99 = 125.08 : x - Step 2: Convert to fraction form
371.96/557.99 = 125.08/x - Step 3: Cross multiply
371.96x = 557.99 × 125.08 - Step 4: Simplify right side
371.96x = 69,793.39 - Step 5: Solve for x
x = 69,793.39/371.96 - Step 6: Final answer
x = 187.64
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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.