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Finding the Fourth Proportional to 323.20, 484.08 and 194.68

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Solution

The fourth proportional to 323.20, 484.08 and 194.68 is: 291.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.20 : 484.08 = 194.68 : x
  2. Step 2: Convert to fraction form
    323.20/484.08 = 194.68/x
  3. Step 3: Cross multiply
    323.20x = 484.08 × 194.68
  4. Step 4: Simplify right side
    323.20x = 94,240.69
  5. Step 5: Solve for x
    x = 94,240.69/323.20
  6. Step 6: Final answer
    x = 291.59

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