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Finding the Fourth Proportional to 230.33, 345.81 and 196.31

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Solution

The fourth proportional to 230.33, 345.81 and 196.31 is: 294.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.33 : 345.81 = 196.31 : x
  2. Step 2: Convert to fraction form
    230.33/345.81 = 196.31/x
  3. Step 3: Cross multiply
    230.33x = 345.81 × 196.31
  4. Step 4: Simplify right side
    230.33x = 67,885.96
  5. Step 5: Solve for x
    x = 67,885.96/230.33
  6. Step 6: Final answer
    x = 294.73

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