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Finding the Fourth Proportional to 331.73, 457.82 and 191.87

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Solution

The fourth proportional to 331.73, 457.82 and 191.87 is: 264.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.73 : 457.82 = 191.87 : x
  2. Step 2: Convert to fraction form
    331.73/457.82 = 191.87/x
  3. Step 3: Cross multiply
    331.73x = 457.82 × 191.87
  4. Step 4: Simplify right side
    331.73x = 87,838.67
  5. Step 5: Solve for x
    x = 87,838.67/331.73
  6. Step 6: Final answer
    x = 264.79

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