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Finding the Fourth Proportional to 349.85, 482.13 and 251.43

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Solution

The fourth proportional to 349.85, 482.13 and 251.43 is: 346.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.85 : 482.13 = 251.43 : x
  2. Step 2: Convert to fraction form
    349.85/482.13 = 251.43/x
  3. Step 3: Cross multiply
    349.85x = 482.13 × 251.43
  4. Step 4: Simplify right side
    349.85x = 121,221.95
  5. Step 5: Solve for x
    x = 121,221.95/349.85
  6. Step 6: Final answer
    x = 346.50

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