Finding the Fourth Proportional to 344.75, 516.99 and 171.29
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Solution
The fourth proportional to 344.75, 516.99 and 171.29 is: 256.87
Step by Step Solution
- Step 1: Write the proportion equation
344.75 : 516.99 = 171.29 : x - Step 2: Convert to fraction form
344.75/516.99 = 171.29/x - Step 3: Cross multiply
344.75x = 516.99 × 171.29 - Step 4: Simplify right side
344.75x = 88,555.22 - Step 5: Solve for x
x = 88,555.22/344.75 - Step 6: Final answer
x = 256.87
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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.