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Finding the Fourth Proportional to 665.11, 997.57 and 178.19

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Solution

The fourth proportional to 665.11, 997.57 and 178.19 is: 267.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    665.11 : 997.57 = 178.19 : x
  2. Step 2: Convert to fraction form
    665.11/997.57 = 178.19/x
  3. Step 3: Cross multiply
    665.11x = 997.57 × 178.19
  4. Step 4: Simplify right side
    665.11x = 177,757.00
  5. Step 5: Solve for x
    x = 177,757.00/665.11
  6. Step 6: Final answer
    x = 267.26

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