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Finding the Fourth Proportional to 110.92, 165.98 and 65.29

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Solution

The fourth proportional to 110.92, 165.98 and 65.29 is: 97.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.92 : 165.98 = 65.29 : x
  2. Step 2: Convert to fraction form
    110.92/165.98 = 65.29/x
  3. Step 3: Cross multiply
    110.92x = 165.98 × 65.29
  4. Step 4: Simplify right side
    110.92x = 10,836.51
  5. Step 5: Solve for x
    x = 10,836.51/110.92
  6. Step 6: Final answer
    x = 97.70

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