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Finding the Fourth Proportional to 324.02, 486.27 and 161.84

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Solution

The fourth proportional to 324.02, 486.27 and 161.84 is: 242.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.02 : 486.27 = 161.84 : x
  2. Step 2: Convert to fraction form
    324.02/486.27 = 161.84/x
  3. Step 3: Cross multiply
    324.02x = 486.27 × 161.84
  4. Step 4: Simplify right side
    324.02x = 78,695.51
  5. Step 5: Solve for x
    x = 78,695.51/324.02
  6. Step 6: Final answer
    x = 242.88

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