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Finding the Fourth Proportional to 237.28, 355.94 and 74.97

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Solution

The fourth proportional to 237.28, 355.94 and 74.97 is: 112.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.28 : 355.94 = 74.97 : x
  2. Step 2: Convert to fraction form
    237.28/355.94 = 74.97/x
  3. Step 3: Cross multiply
    237.28x = 355.94 × 74.97
  4. Step 4: Simplify right side
    237.28x = 26,684.45
  5. Step 5: Solve for x
    x = 26,684.45/237.28
  6. Step 6: Final answer
    x = 112.46

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