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Finding the Fourth Proportional to 406.76, 610.03 and 132.91

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Solution

The fourth proportional to 406.76, 610.03 and 132.91 is: 199.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    406.76 : 610.03 = 132.91 : x
  2. Step 2: Convert to fraction form
    406.76/610.03 = 132.91/x
  3. Step 3: Cross multiply
    406.76x = 610.03 × 132.91
  4. Step 4: Simplify right side
    406.76x = 81,077.73
  5. Step 5: Solve for x
    x = 81,077.73/406.76
  6. Step 6: Final answer
    x = 199.33

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