Finding the Fourth Proportional to 344.23, 516.36 and 161.80
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Solution
The fourth proportional to 344.23, 516.36 and 161.80 is: 242.70
Step by Step Solution
- Step 1: Write the proportion equation
344.23 : 516.36 = 161.80 : x - Step 2: Convert to fraction form
344.23/516.36 = 161.80/x - Step 3: Cross multiply
344.23x = 516.36 × 161.80 - Step 4: Simplify right side
344.23x = 83,544.47 - Step 5: Solve for x
x = 83,544.47/344.23 - Step 6: Final answer
x = 242.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.