Finding the Fourth Proportional to 344.11, 516.54 and 161.68
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Solution
The fourth proportional to 344.11, 516.54 and 161.68 is: 242.70
Step by Step Solution
- Step 1: Write the proportion equation
344.11 : 516.54 = 161.68 : x - Step 2: Convert to fraction form
344.11/516.54 = 161.68/x - Step 3: Cross multiply
344.11x = 516.54 × 161.68 - Step 4: Simplify right side
344.11x = 83,514.19 - Step 5: Solve for x
x = 83,514.19/344.11 - Step 6: Final answer
x = 242.70
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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.