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Finding the Fourth Proportional to 501.92, 754.22 and 270.98

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Solution

The fourth proportional to 501.92, 754.22 and 270.98 is: 407.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.92 : 754.22 = 270.98 : x
  2. Step 2: Convert to fraction form
    501.92/754.22 = 270.98/x
  3. Step 3: Cross multiply
    501.92x = 754.22 × 270.98
  4. Step 4: Simplify right side
    501.92x = 204,375.44
  5. Step 5: Solve for x
    x = 204,375.44/501.92
  6. Step 6: Final answer
    x = 407.19

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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.