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Finding the Fourth Proportional to 408.00, 563.06 and 230.98

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Solution

The fourth proportional to 408.00, 563.06 and 230.98 is: 318.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    408.00 : 563.06 = 230.98 : x
  2. Step 2: Convert to fraction form
    408.00/563.06 = 230.98/x
  3. Step 3: Cross multiply
    408.00x = 563.06 × 230.98
  4. Step 4: Simplify right side
    408.00x = 130,054.57
  5. Step 5: Solve for x
    x = 130,054.57/408.00
  6. Step 6: Final answer
    x = 318.76

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