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Finding the Fourth Proportional to 266.33, 399.68 and 179.83

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Solution

The fourth proportional to 266.33, 399.68 and 179.83 is: 269.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.33 : 399.68 = 179.83 : x
  2. Step 2: Convert to fraction form
    266.33/399.68 = 179.83/x
  3. Step 3: Cross multiply
    266.33x = 399.68 × 179.83
  4. Step 4: Simplify right side
    266.33x = 71,873.90
  5. Step 5: Solve for x
    x = 71,873.90/266.33
  6. Step 6: Final answer
    x = 269.87

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