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Finding the Fourth Proportional to 331.41, 496.13 and 273.36

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Solution

The fourth proportional to 331.41, 496.13 and 273.36 is: 409.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.41 : 496.13 = 273.36 : x
  2. Step 2: Convert to fraction form
    331.41/496.13 = 273.36/x
  3. Step 3: Cross multiply
    331.41x = 496.13 × 273.36
  4. Step 4: Simplify right side
    331.41x = 135,620.73
  5. Step 5: Solve for x
    x = 135,620.73/331.41
  6. Step 6: Final answer
    x = 409.22

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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.