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Finding the Fourth Proportional to 331.25, 457.12 and 183.89

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Solution

The fourth proportional to 331.25, 457.12 and 183.89 is: 253.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.25 : 457.12 = 183.89 : x
  2. Step 2: Convert to fraction form
    331.25/457.12 = 183.89/x
  3. Step 3: Cross multiply
    331.25x = 457.12 × 183.89
  4. Step 4: Simplify right side
    331.25x = 84,059.80
  5. Step 5: Solve for x
    x = 84,059.80/331.25
  6. Step 6: Final answer
    x = 253.77

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