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Finding the Fourth Proportional to 327.23, 490.85 and 205.32

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Solution

The fourth proportional to 327.23, 490.85 and 205.32 is: 307.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    327.23 : 490.85 = 205.32 : x
  2. Step 2: Convert to fraction form
    327.23/490.85 = 205.32/x
  3. Step 3: Cross multiply
    327.23x = 490.85 × 205.32
  4. Step 4: Simplify right side
    327.23x = 100,780.30
  5. Step 5: Solve for x
    x = 100,780.30/327.23
  6. Step 6: Final answer
    x = 307.98

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