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Finding the Fourth Proportional to 173.28, 259.94 and 57.73

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Solution

The fourth proportional to 173.28, 259.94 and 57.73 is: 86.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.28 : 259.94 = 57.73 : x
  2. Step 2: Convert to fraction form
    173.28/259.94 = 57.73/x
  3. Step 3: Cross multiply
    173.28x = 259.94 × 57.73
  4. Step 4: Simplify right side
    173.28x = 15,006.34
  5. Step 5: Solve for x
    x = 15,006.34/173.28
  6. Step 6: Final answer
    x = 86.60

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