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Finding the Fourth Proportional to 474.52, 654.94 and 278.04

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Solution

The fourth proportional to 474.52, 654.94 and 278.04 is: 383.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.52 : 654.94 = 278.04 : x
  2. Step 2: Convert to fraction form
    474.52/654.94 = 278.04/x
  3. Step 3: Cross multiply
    474.52x = 654.94 × 278.04
  4. Step 4: Simplify right side
    474.52x = 182,099.52
  5. Step 5: Solve for x
    x = 182,099.52/474.52
  6. Step 6: Final answer
    x = 383.76

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