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Finding the Fourth Proportional to 481.82, 722.70 and 193.05

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Solution

The fourth proportional to 481.82, 722.70 and 193.05 is: 289.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.82 : 722.70 = 193.05 : x
  2. Step 2: Convert to fraction form
    481.82/722.70 = 193.05/x
  3. Step 3: Cross multiply
    481.82x = 722.70 × 193.05
  4. Step 4: Simplify right side
    481.82x = 139,517.24
  5. Step 5: Solve for x
    x = 139,517.24/481.82
  6. Step 6: Final answer
    x = 289.56

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