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Finding the Fourth Proportional to 451.52, 677.12 and 194.88

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Solution

The fourth proportional to 451.52, 677.12 and 194.88 is: 292.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    451.52 : 677.12 = 194.88 : x
  2. Step 2: Convert to fraction form
    451.52/677.12 = 194.88/x
  3. Step 3: Cross multiply
    451.52x = 677.12 × 194.88
  4. Step 4: Simplify right side
    451.52x = 131,957.15
  5. Step 5: Solve for x
    x = 131,957.15/451.52
  6. Step 6: Final answer
    x = 292.25

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