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Finding the Fourth Proportional to 325, 447.88 and 208.36

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Solution

The fourth proportional to 325, 447.88 and 208.36 is: 287.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    325 : 447.88 = 208.36 : x
  2. Step 2: Convert to fraction form
    325/447.88 = 208.36/x
  3. Step 3: Cross multiply
    325x = 447.88 × 208.36
  4. Step 4: Simplify right side
    325x = 93,320.28
  5. Step 5: Solve for x
    x = 93,320.28/325
  6. Step 6: Final answer
    x = 287.14

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