Finding the Fourth Proportional to 349.13, 523.88 and 154.26
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Solution
The fourth proportional to 349.13, 523.88 and 154.26 is: 231.47
Step by Step Solution
- Step 1: Write the proportion equation
349.13 : 523.88 = 154.26 : x - Step 2: Convert to fraction form
349.13/523.88 = 154.26/x - Step 3: Cross multiply
349.13x = 523.88 × 154.26 - Step 4: Simplify right side
349.13x = 80,812.96 - Step 5: Solve for x
x = 80,812.96/349.13 - Step 6: Final answer
x = 231.47
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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.