Finding the Fourth Proportional to 344.68, 516.88 and 149.67
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Solution
The fourth proportional to 344.68, 516.88 and 149.67 is: 224.45
Step by Step Solution
- Step 1: Write the proportion equation
344.68 : 516.88 = 149.67 : x - Step 2: Convert to fraction form
344.68/516.88 = 149.67/x - Step 3: Cross multiply
344.68x = 516.88 × 149.67 - Step 4: Simplify right side
344.68x = 77,361.62 - Step 5: Solve for x
x = 77,361.62/344.68 - Step 6: Final answer
x = 224.45
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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.