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Finding the Fourth Proportional to 617.20, 925.83 and 251.98

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Solution

The fourth proportional to 617.20, 925.83 and 251.98 is: 377.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.20 : 925.83 = 251.98 : x
  2. Step 2: Convert to fraction form
    617.20/925.83 = 251.98/x
  3. Step 3: Cross multiply
    617.20x = 925.83 × 251.98
  4. Step 4: Simplify right side
    617.20x = 233,290.64
  5. Step 5: Solve for x
    x = 233,290.64/617.20
  6. Step 6: Final answer
    x = 377.98

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