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Finding the Fourth Proportional to 226.74, 339.81 and 111.18

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Solution

The fourth proportional to 226.74, 339.81 and 111.18 is: 166.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.74 : 339.81 = 111.18 : x
  2. Step 2: Convert to fraction form
    226.74/339.81 = 111.18/x
  3. Step 3: Cross multiply
    226.74x = 339.81 × 111.18
  4. Step 4: Simplify right side
    226.74x = 37,780.08
  5. Step 5: Solve for x
    x = 37,780.08/226.74
  6. Step 6: Final answer
    x = 166.62

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