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Finding the Fourth Proportional to 96.72, 145.05 and 35.84

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Solution

The fourth proportional to 96.72, 145.05 and 35.84 is: 53.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.72 : 145.05 = 35.84 : x
  2. Step 2: Convert to fraction form
    96.72/145.05 = 35.84/x
  3. Step 3: Cross multiply
    96.72x = 145.05 × 35.84
  4. Step 4: Simplify right side
    96.72x = 5,198.59
  5. Step 5: Solve for x
    x = 5,198.59/96.72
  6. Step 6: Final answer
    x = 53.75

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