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Finding the Fourth Proportional to 324.63, 447.86 and 193.68

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Solution

The fourth proportional to 324.63, 447.86 and 193.68 is: 267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.63 : 447.86 = 193.68 : x
  2. Step 2: Convert to fraction form
    324.63/447.86 = 193.68/x
  3. Step 3: Cross multiply
    324.63x = 447.86 × 193.68
  4. Step 4: Simplify right side
    324.63x = 86,742.01
  5. Step 5: Solve for x
    x = 86,742.01/324.63
  6. Step 6: Final answer
    x = 267.20

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