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Finding the Fourth Proportional to 422.04, 633.11 and 178.59

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Solution

The fourth proportional to 422.04, 633.11 and 178.59 is: 267.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    422.04 : 633.11 = 178.59 : x
  2. Step 2: Convert to fraction form
    422.04/633.11 = 178.59/x
  3. Step 3: Cross multiply
    422.04x = 633.11 × 178.59
  4. Step 4: Simplify right side
    422.04x = 113,066.22
  5. Step 5: Solve for x
    x = 113,066.22/422.04
  6. Step 6: Final answer
    x = 267.90

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