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Finding the Fourth Proportional to 296, 408.49 and 192.68

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Solution

The fourth proportional to 296, 408.49 and 192.68 is: 265.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    296 : 408.49 = 192.68 : x
  2. Step 2: Convert to fraction form
    296/408.49 = 192.68/x
  3. Step 3: Cross multiply
    296x = 408.49 × 192.68
  4. Step 4: Simplify right side
    296x = 78,707.85
  5. Step 5: Solve for x
    x = 78,707.85/296
  6. Step 6: Final answer
    x = 265.90

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