Finding the Fourth Proportional to 349.13, 523.70 and 92.63
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Solution
The fourth proportional to 349.13, 523.70 and 92.63 is: 138.94
Step by Step Solution
- Step 1: Write the proportion equation
349.13 : 523.70 = 92.63 : x - Step 2: Convert to fraction form
349.13/523.70 = 92.63/x - Step 3: Cross multiply
349.13x = 523.70 × 92.63 - Step 4: Simplify right side
349.13x = 48,507.71 - Step 5: Solve for x
x = 48,507.71/349.13 - Step 6: Final answer
x = 138.94
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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.