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Finding the Fourth Proportional to 447.75, 617.93 and 251.23

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Solution

The fourth proportional to 447.75, 617.93 and 251.23 is: 346.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    447.75 : 617.93 = 251.23 : x
  2. Step 2: Convert to fraction form
    447.75/617.93 = 251.23/x
  3. Step 3: Cross multiply
    447.75x = 617.93 × 251.23
  4. Step 4: Simplify right side
    447.75x = 155,242.55
  5. Step 5: Solve for x
    x = 155,242.55/447.75
  6. Step 6: Final answer
    x = 346.72

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