Finding the Fourth Proportional to 344.58, 516.94 and 161.87
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Solution
The fourth proportional to 344.58, 516.94 and 161.87 is: 242.84
Step by Step Solution
- Step 1: Write the proportion equation
344.58 : 516.94 = 161.87 : x - Step 2: Convert to fraction form
344.58/516.94 = 161.87/x - Step 3: Cross multiply
344.58x = 516.94 × 161.87 - Step 4: Simplify right side
344.58x = 83,678.91 - Step 5: Solve for x
x = 83,678.91/344.58 - Step 6: Final answer
x = 242.84
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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.