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Finding the Fourth Proportional to 512.00, 768.11 and 187.36

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Solution

The fourth proportional to 512.00, 768.11 and 187.36 is: 281.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    512.00 : 768.11 = 187.36 : x
  2. Step 2: Convert to fraction form
    512.00/768.11 = 187.36/x
  3. Step 3: Cross multiply
    512.00x = 768.11 × 187.36
  4. Step 4: Simplify right side
    512.00x = 143,912.15
  5. Step 5: Solve for x
    x = 143,912.15/512.00
  6. Step 6: Final answer
    x = 281.08

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