Finding the Fourth Proportional to 344.36, 516.10 and 161.35
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Solution
The fourth proportional to 344.36, 516.10 and 161.35 is: 241.82
Step by Step Solution
- Step 1: Write the proportion equation
344.36 : 516.10 = 161.35 : x - Step 2: Convert to fraction form
344.36/516.10 = 161.35/x - Step 3: Cross multiply
344.36x = 516.10 × 161.35 - Step 4: Simplify right side
344.36x = 83,272.21 - Step 5: Solve for x
x = 83,272.21/344.36 - Step 6: Final answer
x = 241.82
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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.