Finding the Fourth Proportional to 344.70, 516.94 and 125.28
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Solution
The fourth proportional to 344.70, 516.94 and 125.28 is: 187.88
Step by Step Solution
- Step 1: Write the proportion equation
344.70 : 516.94 = 125.28 : x - Step 2: Convert to fraction form
344.70/516.94 = 125.28/x - Step 3: Cross multiply
344.70x = 516.94 × 125.28 - Step 4: Simplify right side
344.70x = 64,762.24 - Step 5: Solve for x
x = 64,762.24/344.70 - Step 6: Final answer
x = 187.88
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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.