Finding the Fourth Proportional to 356.11, 534.11 and 124.99
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Solution
The fourth proportional to 356.11, 534.11 and 124.99 is: 187.47
Step by Step Solution
- Step 1: Write the proportion equation
356.11 : 534.11 = 124.99 : x - Step 2: Convert to fraction form
356.11/534.11 = 124.99/x - Step 3: Cross multiply
356.11x = 534.11 × 124.99 - Step 4: Simplify right side
356.11x = 66,758.39 - Step 5: Solve for x
x = 66,758.39/356.11 - Step 6: Final answer
x = 187.47
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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.