Finding the Fourth Proportional to 344.70, 516.99 and 101.18
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Solution
The fourth proportional to 344.70, 516.99 and 101.18 is: 151.74
Step by Step Solution
- Step 1: Write the proportion equation
344.70 : 516.99 = 101.18 : x - Step 2: Convert to fraction form
344.70/516.99 = 101.18/x - Step 3: Cross multiply
344.70x = 516.99 × 101.18 - Step 4: Simplify right side
344.70x = 52,306.46 - Step 5: Solve for x
x = 52,306.46/344.70 - Step 6: Final answer
x = 151.74
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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.