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Finding the Fourth Proportional to 331.73, 496.41 and 244.86

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Solution

The fourth proportional to 331.73, 496.41 and 244.86 is: 366.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.73 : 496.41 = 244.86 : x
  2. Step 2: Convert to fraction form
    331.73/496.41 = 244.86/x
  3. Step 3: Cross multiply
    331.73x = 496.41 × 244.86
  4. Step 4: Simplify right side
    331.73x = 121,550.95
  5. Step 5: Solve for x
    x = 121,550.95/331.73
  6. Step 6: Final answer
    x = 366.42

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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.