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Finding the Fourth Proportional to 115.97, 173.96 and 43.84

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Solution

The fourth proportional to 115.97, 173.96 and 43.84 is: 65.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    115.97 : 173.96 = 43.84 : x
  2. Step 2: Convert to fraction form
    115.97/173.96 = 43.84/x
  3. Step 3: Cross multiply
    115.97x = 173.96 × 43.84
  4. Step 4: Simplify right side
    115.97x = 7,625.32
  5. Step 5: Solve for x
    x = 7,625.32/115.97
  6. Step 6: Final answer
    x = 65.75

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