Finding the Fourth Proportional to 344.30, 516.56 and 170.99
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Solution
The fourth proportional to 344.30, 516.56 and 170.99 is: 256.54
Step by Step Solution
- Step 1: Write the proportion equation
344.30 : 516.56 = 170.99 : x - Step 2: Convert to fraction form
344.30/516.56 = 170.99/x - Step 3: Cross multiply
344.30x = 516.56 × 170.99 - Step 4: Simplify right side
344.30x = 88,327.02 - Step 5: Solve for x
x = 88,327.02/344.30 - Step 6: Final answer
x = 256.54
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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.