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Finding the Fourth Proportional to 153.82, 230.28 and 92.77

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Solution

The fourth proportional to 153.82, 230.28 and 92.77 is: 138.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    153.82 : 230.28 = 92.77 : x
  2. Step 2: Convert to fraction form
    153.82/230.28 = 92.77/x
  3. Step 3: Cross multiply
    153.82x = 230.28 × 92.77
  4. Step 4: Simplify right side
    153.82x = 21,362.15
  5. Step 5: Solve for x
    x = 21,362.15/153.82
  6. Step 6: Final answer
    x = 138.88

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