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Finding the Fourth Proportional to 495.23, 743.30 and 251.92

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Solution

The fourth proportional to 495.23, 743.30 and 251.92 is: 378.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.23 : 743.30 = 251.92 : x
  2. Step 2: Convert to fraction form
    495.23/743.30 = 251.92/x
  3. Step 3: Cross multiply
    495.23x = 743.30 × 251.92
  4. Step 4: Simplify right side
    495.23x = 187,252.14
  5. Step 5: Solve for x
    x = 187,252.14/495.23
  6. Step 6: Final answer
    x = 378.11

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