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Finding the Fourth Proportional to 357.28, 535.86 and 113.83

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Solution

The fourth proportional to 357.28, 535.86 and 113.83 is: 170.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.28 : 535.86 = 113.83 : x
  2. Step 2: Convert to fraction form
    357.28/535.86 = 113.83/x
  3. Step 3: Cross multiply
    357.28x = 535.86 × 113.83
  4. Step 4: Simplify right side
    357.28x = 60,996.94
  5. Step 5: Solve for x
    x = 60,996.94/357.28
  6. Step 6: Final answer
    x = 170.73

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