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Finding the Fourth Proportional to 273.38, 409.70 and 151.88

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Solution

The fourth proportional to 273.38, 409.70 and 151.88 is: 227.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.38 : 409.70 = 151.88 : x
  2. Step 2: Convert to fraction form
    273.38/409.70 = 151.88/x
  3. Step 3: Cross multiply
    273.38x = 409.70 × 151.88
  4. Step 4: Simplify right side
    273.38x = 62,223.57
  5. Step 5: Solve for x
    x = 62,223.57/273.38
  6. Step 6: Final answer
    x = 227.61

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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.