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Finding the Fourth Proportional to 226.77, 339.91 and 104.90

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Solution

The fourth proportional to 226.77, 339.91 and 104.90 is: 157.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.77 : 339.91 = 104.90 : x
  2. Step 2: Convert to fraction form
    226.77/339.91 = 104.90/x
  3. Step 3: Cross multiply
    226.77x = 339.91 × 104.90
  4. Step 4: Simplify right side
    226.77x = 35,655.19
  5. Step 5: Solve for x
    x = 35,655.19/226.77
  6. Step 6: Final answer
    x = 157.23

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