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Finding the Fourth Proportional to 338.28, 466.89 and 198.46

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Solution

The fourth proportional to 338.28, 466.89 and 198.46 is: 273.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.28 : 466.89 = 198.46 : x
  2. Step 2: Convert to fraction form
    338.28/466.89 = 198.46/x
  3. Step 3: Cross multiply
    338.28x = 466.89 × 198.46
  4. Step 4: Simplify right side
    338.28x = 92,658.99
  5. Step 5: Solve for x
    x = 92,658.99/338.28
  6. Step 6: Final answer
    x = 273.91

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