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Finding the Fourth Proportional to 158.74, 238.24 and 113.24

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Solution

The fourth proportional to 158.74, 238.24 and 113.24 is: 169.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.74 : 238.24 = 113.24 : x
  2. Step 2: Convert to fraction form
    158.74/238.24 = 113.24/x
  3. Step 3: Cross multiply
    158.74x = 238.24 × 113.24
  4. Step 4: Simplify right side
    158.74x = 26,978.30
  5. Step 5: Solve for x
    x = 26,978.30/158.74
  6. Step 6: Final answer
    x = 169.95

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