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Finding the Fourth Proportional to 152.19, 227.93 and 74.97

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Solution

The fourth proportional to 152.19, 227.93 and 74.97 is: 112.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    152.19 : 227.93 = 74.97 : x
  2. Step 2: Convert to fraction form
    152.19/227.93 = 74.97/x
  3. Step 3: Cross multiply
    152.19x = 227.93 × 74.97
  4. Step 4: Simplify right side
    152.19x = 17,087.54
  5. Step 5: Solve for x
    x = 17,087.54/152.19
  6. Step 6: Final answer
    x = 112.28

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