Finding the Fourth Proportional to 344.70, 516.93 and 161.91
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Solution
The fourth proportional to 344.70, 516.93 and 161.91 is: 242.81
Step by Step Solution
- Step 1: Write the proportion equation
344.70 : 516.93 = 161.91 : x - Step 2: Convert to fraction form
344.70/516.93 = 161.91/x - Step 3: Cross multiply
344.70x = 516.93 × 161.91 - Step 4: Simplify right side
344.70x = 83,696.14 - Step 5: Solve for x
x = 83,696.14/344.70 - Step 6: Final answer
x = 242.81
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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.