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Finding the Fourth Proportional to 188.16, 281.92 and 102.48

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Solution

The fourth proportional to 188.16, 281.92 and 102.48 is: 153.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    188.16 : 281.92 = 102.48 : x
  2. Step 2: Convert to fraction form
    188.16/281.92 = 102.48/x
  3. Step 3: Cross multiply
    188.16x = 281.92 × 102.48
  4. Step 4: Simplify right side
    188.16x = 28,891.16
  5. Step 5: Solve for x
    x = 28,891.16/188.16
  6. Step 6: Final answer
    x = 153.55

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