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Finding the Fourth Proportional to 154.11, 231.17 and 62.85

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Solution

The fourth proportional to 154.11, 231.17 and 62.85 is: 94.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    154.11 : 231.17 = 62.85 : x
  2. Step 2: Convert to fraction form
    154.11/231.17 = 62.85/x
  3. Step 3: Cross multiply
    154.11x = 231.17 × 62.85
  4. Step 4: Simplify right side
    154.11x = 14,528.72
  5. Step 5: Solve for x
    x = 14,528.72/154.11
  6. Step 6: Final answer
    x = 94.28

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