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Finding the Fourth Proportional to 267.21, 399.13 and 179.82

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Solution

The fourth proportional to 267.21, 399.13 and 179.82 is: 268.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.21 : 399.13 = 179.82 : x
  2. Step 2: Convert to fraction form
    267.21/399.13 = 179.82/x
  3. Step 3: Cross multiply
    267.21x = 399.13 × 179.82
  4. Step 4: Simplify right side
    267.21x = 71,771.11
  5. Step 5: Solve for x
    x = 71,771.11/267.21
  6. Step 6: Final answer
    x = 268.59

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