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Finding the Fourth Proportional to 218.28, 327.41 and 109.99

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Solution

The fourth proportional to 218.28, 327.41 and 109.99 is: 164.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    218.28 : 327.41 = 109.99 : x
  2. Step 2: Convert to fraction form
    218.28/327.41 = 109.99/x
  3. Step 3: Cross multiply
    218.28x = 327.41 × 109.99
  4. Step 4: Simplify right side
    218.28x = 36,011.83
  5. Step 5: Solve for x
    x = 36,011.83/218.28
  6. Step 6: Final answer
    x = 164.98

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