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Finding the Fourth Proportional to 198.06, 296.85 and 93.80

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Solution

The fourth proportional to 198.06, 296.85 and 93.80 is: 140.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    198.06 : 296.85 = 93.80 : x
  2. Step 2: Convert to fraction form
    198.06/296.85 = 93.80/x
  3. Step 3: Cross multiply
    198.06x = 296.85 × 93.80
  4. Step 4: Simplify right side
    198.06x = 27,843.05
  5. Step 5: Solve for x
    x = 27,843.05/198.06
  6. Step 6: Final answer
    x = 140.58

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