Finding the Fourth Proportional to 344.87, 516.61 and 207.84
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Solution
The fourth proportional to 344.87, 516.61 and 207.84 is: 311.34
Step by Step Solution
- Step 1: Write the proportion equation
344.87 : 516.61 = 207.84 : x - Step 2: Convert to fraction form
344.87/516.61 = 207.84/x - Step 3: Cross multiply
344.87x = 516.61 × 207.84 - Step 4: Simplify right side
344.87x = 107,371.70 - Step 5: Solve for x
x = 107,371.70/344.87 - Step 6: Final answer
x = 311.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.