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Finding the Fourth Proportional to 321.04, 481.80 and 176.88

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Solution

The fourth proportional to 321.04, 481.80 and 176.88 is: 265.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    321.04 : 481.80 = 176.88 : x
  2. Step 2: Convert to fraction form
    321.04/481.80 = 176.88/x
  3. Step 3: Cross multiply
    321.04x = 481.80 × 176.88
  4. Step 4: Simplify right side
    321.04x = 85,220.78
  5. Step 5: Solve for x
    x = 85,220.78/321.04
  6. Step 6: Final answer
    x = 265.45

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