Finding the Fourth Proportional to 344.53, 516.69 and 161.74
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Solution
The fourth proportional to 344.53, 516.69 and 161.74 is: 242.56
Step by Step Solution
- Step 1: Write the proportion equation
344.53 : 516.69 = 161.74 : x - Step 2: Convert to fraction form
344.53/516.69 = 161.74/x - Step 3: Cross multiply
344.53x = 516.69 × 161.74 - Step 4: Simplify right side
344.53x = 83,569.44 - Step 5: Solve for x
x = 83,569.44/344.53 - Step 6: Final answer
x = 242.56
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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.