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Finding the Fourth Proportional to 481.18, 663.66 and 414.91

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Solution

The fourth proportional to 481.18, 663.66 and 414.91 is: 572.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.18 : 663.66 = 414.91 : x
  2. Step 2: Convert to fraction form
    481.18/663.66 = 414.91/x
  3. Step 3: Cross multiply
    481.18x = 663.66 × 414.91
  4. Step 4: Simplify right side
    481.18x = 275,359.17
  5. Step 5: Solve for x
    x = 275,359.17/481.18
  6. Step 6: Final answer
    x = 572.26

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