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Finding the Fourth Proportional to 200.80, 301.08 and 92.68

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Solution

The fourth proportional to 200.80, 301.08 and 92.68 is: 138.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.80 : 301.08 = 92.68 : x
  2. Step 2: Convert to fraction form
    200.80/301.08 = 92.68/x
  3. Step 3: Cross multiply
    200.80x = 301.08 × 92.68
  4. Step 4: Simplify right side
    200.80x = 27,904.09
  5. Step 5: Solve for x
    x = 27,904.09/200.80
  6. Step 6: Final answer
    x = 138.96

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