Finding the Fourth Proportional to 349.97, 525.11 and 133.70
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Solution
The fourth proportional to 349.97, 525.11 and 133.70 is: 200.60
Step by Step Solution
- Step 1: Write the proportion equation
349.97 : 525.11 = 133.70 : x - Step 2: Convert to fraction form
349.97/525.11 = 133.70/x - Step 3: Cross multiply
349.97x = 525.11 × 133.70 - Step 4: Simplify right side
349.97x = 70,203.91 - Step 5: Solve for x
x = 70,203.91/349.97 - Step 6: Final answer
x = 200.60
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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.