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Finding the Fourth Proportional to 219.47, 329.00 and 97.64

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Solution

The fourth proportional to 219.47, 329.00 and 97.64 is: 146.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    219.47 : 329.00 = 97.64 : x
  2. Step 2: Convert to fraction form
    219.47/329.00 = 97.64/x
  3. Step 3: Cross multiply
    219.47x = 329.00 × 97.64
  4. Step 4: Simplify right side
    219.47x = 32,121.43
  5. Step 5: Solve for x
    x = 32,121.43/219.47
  6. Step 6: Final answer
    x = 146.36

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