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Finding the Fourth Proportional to 512.82, 768.61 and 295.95

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Solution

The fourth proportional to 512.82, 768.61 and 295.95 is: 443.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    512.82 : 768.61 = 295.95 : x
  2. Step 2: Convert to fraction form
    512.82/768.61 = 295.95/x
  3. Step 3: Cross multiply
    512.82x = 768.61 × 295.95
  4. Step 4: Simplify right side
    512.82x = 227,470.13
  5. Step 5: Solve for x
    x = 227,470.13/512.82
  6. Step 6: Final answer
    x = 443.57

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