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Finding the Fourth Proportional to 443.27, 664.90 and 118.66

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Solution

The fourth proportional to 443.27, 664.90 and 118.66 is: 177.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    443.27 : 664.90 = 118.66 : x
  2. Step 2: Convert to fraction form
    443.27/664.90 = 118.66/x
  3. Step 3: Cross multiply
    443.27x = 664.90 × 118.66
  4. Step 4: Simplify right side
    443.27x = 78,895.08
  5. Step 5: Solve for x
    x = 78,895.08/443.27
  6. Step 6: Final answer
    x = 177.99

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