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Finding the Fourth Proportional to 481.16, 722.10 and 342.32

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Solution

The fourth proportional to 481.16, 722.10 and 342.32 is: 513.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.16 : 722.10 = 342.32 : x
  2. Step 2: Convert to fraction form
    481.16/722.10 = 342.32/x
  3. Step 3: Cross multiply
    481.16x = 722.10 × 342.32
  4. Step 4: Simplify right side
    481.16x = 247,189.27
  5. Step 5: Solve for x
    x = 247,189.27/481.16
  6. Step 6: Final answer
    x = 513.74

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