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Finding the Fourth Proportional to 323.76, 446.80 and 176.41

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Solution

The fourth proportional to 323.76, 446.80 and 176.41 is: 243.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.76 : 446.80 = 176.41 : x
  2. Step 2: Convert to fraction form
    323.76/446.80 = 176.41/x
  3. Step 3: Cross multiply
    323.76x = 446.80 × 176.41
  4. Step 4: Simplify right side
    323.76x = 78,818.43
  5. Step 5: Solve for x
    x = 78,818.43/323.76
  6. Step 6: Final answer
    x = 243.45

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