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Finding the Fourth Proportional to 372.25, 558.24 and 225.42

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Solution

The fourth proportional to 372.25, 558.24 and 225.42 is: 338.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.25 : 558.24 = 225.42 : x
  2. Step 2: Convert to fraction form
    372.25/558.24 = 225.42/x
  3. Step 3: Cross multiply
    372.25x = 558.24 × 225.42
  4. Step 4: Simplify right side
    372.25x = 125,838.46
  5. Step 5: Solve for x
    x = 125,838.46/372.25
  6. Step 6: Final answer
    x = 338.05

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