Finding the Fourth Proportional to 371.99, 558.14 and 177.12
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Solution
The fourth proportional to 371.99, 558.14 and 177.12 is: 265.75
Step by Step Solution
- Step 1: Write the proportion equation
371.99 : 558.14 = 177.12 : x - Step 2: Convert to fraction form
371.99/558.14 = 177.12/x - Step 3: Cross multiply
371.99x = 558.14 × 177.12 - Step 4: Simplify right side
371.99x = 98,857.76 - Step 5: Solve for x
x = 98,857.76/371.99 - Step 6: Final answer
x = 265.75
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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.