Finding the Fourth Proportional to 344.10, 516.15 and 207.08
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Solution
The fourth proportional to 344.10, 516.15 and 207.08 is: 310.61
Step by Step Solution
- Step 1: Write the proportion equation
344.10 : 516.15 = 207.08 : x - Step 2: Convert to fraction form
344.10/516.15 = 207.08/x - Step 3: Cross multiply
344.10x = 516.15 × 207.08 - Step 4: Simplify right side
344.10x = 106,881.76 - Step 5: Solve for x
x = 106,881.76/344.10 - Step 6: Final answer
x = 310.61
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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.