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Finding the Fourth Proportional to 154.06, 230.97 and 68.62

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Solution

The fourth proportional to 154.06, 230.97 and 68.62 is: 102.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    154.06 : 230.97 = 68.62 : x
  2. Step 2: Convert to fraction form
    154.06/230.97 = 68.62/x
  3. Step 3: Cross multiply
    154.06x = 230.97 × 68.62
  4. Step 4: Simplify right side
    154.06x = 15,849.16
  5. Step 5: Solve for x
    x = 15,849.16/154.06
  6. Step 6: Final answer
    x = 102.88

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