Finding the Fourth Proportional to 344.25, 516.29 and 124.99
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Solution
The fourth proportional to 344.25, 516.29 and 124.99 is: 187.45
Step by Step Solution
- Step 1: Write the proportion equation
344.25 : 516.29 = 124.99 : x - Step 2: Convert to fraction form
344.25/516.29 = 124.99/x - Step 3: Cross multiply
344.25x = 516.29 × 124.99 - Step 4: Simplify right side
344.25x = 64,529.17 - Step 5: Solve for x
x = 64,529.17/344.25 - Step 6: Final answer
x = 187.45
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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.