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Finding the Fourth Proportional to 273.49, 410.23 and 225.25

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Solution

The fourth proportional to 273.49, 410.23 and 225.25 is: 337.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.49 : 410.23 = 225.25 : x
  2. Step 2: Convert to fraction form
    273.49/410.23 = 225.25/x
  3. Step 3: Cross multiply
    273.49x = 410.23 × 225.25
  4. Step 4: Simplify right side
    273.49x = 92,404.31
  5. Step 5: Solve for x
    x = 92,404.31/273.49
  6. Step 6: Final answer
    x = 337.87

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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.