Finding the Fourth Proportional to 344.63, 516.75 and 161.80
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Solution
The fourth proportional to 344.63, 516.75 and 161.80 is: 242.61
Step by Step Solution
- Step 1: Write the proportion equation
344.63 : 516.75 = 161.80 : x - Step 2: Convert to fraction form
344.63/516.75 = 161.80/x - Step 3: Cross multiply
344.63x = 516.75 × 161.80 - Step 4: Simplify right side
344.63x = 83,609.62 - Step 5: Solve for x
x = 83,609.62/344.63 - Step 6: Final answer
x = 242.61
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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.