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Finding the Fourth Proportional to 537.37, 806 and 172.42

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Solution

The fourth proportional to 537.37, 806 and 172.42 is: 258.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.37 : 806 = 172.42 : x
  2. Step 2: Convert to fraction form
    537.37/806 = 172.42/x
  3. Step 3: Cross multiply
    537.37x = 806 × 172.42
  4. Step 4: Simplify right side
    537.37x = 138,970.52
  5. Step 5: Solve for x
    x = 138,970.52/537.37
  6. Step 6: Final answer
    x = 258.61

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