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Finding the Fourth Proportional to 325.75, 488.62 and 109.33

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Solution

The fourth proportional to 325.75, 488.62 and 109.33 is: 163.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.75 : 488.62 = 109.33 : x
  2. Step 2: Convert to fraction form
    325.75/488.62 = 109.33/x
  3. Step 3: Cross multiply
    325.75x = 488.62 × 109.33
  4. Step 4: Simplify right side
    325.75x = 53,418.38
  5. Step 5: Solve for x
    x = 53,418.38/325.75
  6. Step 6: Final answer
    x = 163.99

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