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Finding the Fourth Proportional to 77.83, 116.73 and 23.71

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Solution

The fourth proportional to 77.83, 116.73 and 23.71 is: 35.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77.83 : 116.73 = 23.71 : x
  2. Step 2: Convert to fraction form
    77.83/116.73 = 23.71/x
  3. Step 3: Cross multiply
    77.83x = 116.73 × 23.71
  4. Step 4: Simplify right side
    77.83x = 2,767.67
  5. Step 5: Solve for x
    x = 2,767.67/77.83
  6. Step 6: Final answer
    x = 35.56

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