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Finding the Fourth Proportional to 481.94, 722.29 and 308.54

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Solution

The fourth proportional to 481.94, 722.29 and 308.54 is: 462.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.94 : 722.29 = 308.54 : x
  2. Step 2: Convert to fraction form
    481.94/722.29 = 308.54/x
  3. Step 3: Cross multiply
    481.94x = 722.29 × 308.54
  4. Step 4: Simplify right side
    481.94x = 222,855.36
  5. Step 5: Solve for x
    x = 222,855.36/481.94
  6. Step 6: Final answer
    x = 462.41

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