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Finding the Fourth Proportional to 320.92, 481.59 and 176.74

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Solution

The fourth proportional to 320.92, 481.59 and 176.74 is: 265.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    320.92 : 481.59 = 176.74 : x
  2. Step 2: Convert to fraction form
    320.92/481.59 = 176.74/x
  3. Step 3: Cross multiply
    320.92x = 481.59 × 176.74
  4. Step 4: Simplify right side
    320.92x = 85,116.22
  5. Step 5: Solve for x
    x = 85,116.22/320.92
  6. Step 6: Final answer
    x = 265.23

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