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Finding the Fourth Proportional to 296.04, 408.79 and 185.70

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Solution

The fourth proportional to 296.04, 408.79 and 185.70 is: 256.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.04 : 408.79 = 185.70 : x
  2. Step 2: Convert to fraction form
    296.04/408.79 = 185.70/x
  3. Step 3: Cross multiply
    296.04x = 408.79 × 185.70
  4. Step 4: Simplify right side
    296.04x = 75,911.37
  5. Step 5: Solve for x
    x = 75,911.37/296.04
  6. Step 6: Final answer
    x = 256.43

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