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Finding the Fourth Proportional to 153.23, 229.55 and 118.86

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Solution

The fourth proportional to 153.23, 229.55 and 118.86 is: 178.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    153.23 : 229.55 = 118.86 : x
  2. Step 2: Convert to fraction form
    153.23/229.55 = 118.86/x
  3. Step 3: Cross multiply
    153.23x = 229.55 × 118.86
  4. Step 4: Simplify right side
    153.23x = 27,283.72
  5. Step 5: Solve for x
    x = 27,283.72/153.23
  6. Step 6: Final answer
    x = 178.06

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