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Finding the Fourth Proportional to 654, 981.03 and 329.28

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Solution

The fourth proportional to 654, 981.03 and 329.28 is: 493.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    654 : 981.03 = 329.28 : x
  2. Step 2: Convert to fraction form
    654/981.03 = 329.28/x
  3. Step 3: Cross multiply
    654x = 981.03 × 329.28
  4. Step 4: Simplify right side
    654x = 323,033.56
  5. Step 5: Solve for x
    x = 323,033.56/654
  6. Step 6: Final answer
    x = 493.94

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