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Finding the Fourth Proportional to 451.72, 677.17 and 177.75

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Solution

The fourth proportional to 451.72, 677.17 and 177.75 is: 266.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    451.72 : 677.17 = 177.75 : x
  2. Step 2: Convert to fraction form
    451.72/677.17 = 177.75/x
  3. Step 3: Cross multiply
    451.72x = 677.17 × 177.75
  4. Step 4: Simplify right side
    451.72x = 120,367.92
  5. Step 5: Solve for x
    x = 120,367.92/451.72
  6. Step 6: Final answer
    x = 266.46

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