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Finding the Fourth Proportional to 264.78, 396.88 and 173.54

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Solution

The fourth proportional to 264.78, 396.88 and 173.54 is: 260.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.78 : 396.88 = 173.54 : x
  2. Step 2: Convert to fraction form
    264.78/396.88 = 173.54/x
  3. Step 3: Cross multiply
    264.78x = 396.88 × 173.54
  4. Step 4: Simplify right side
    264.78x = 68,874.56
  5. Step 5: Solve for x
    x = 68,874.56/264.78
  6. Step 6: Final answer
    x = 260.12

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