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Finding the Fourth Proportional to 198.03, 297.57 and 106.79

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Solution

The fourth proportional to 198.03, 297.57 and 106.79 is: 160.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    198.03 : 297.57 = 106.79 : x
  2. Step 2: Convert to fraction form
    198.03/297.57 = 106.79/x
  3. Step 3: Cross multiply
    198.03x = 297.57 × 106.79
  4. Step 4: Simplify right side
    198.03x = 31,778.24
  5. Step 5: Solve for x
    x = 31,778.24/198.03
  6. Step 6: Final answer
    x = 160.47

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