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Finding the Fourth Proportional to 537.53, 806.19 and 172.27

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Solution

The fourth proportional to 537.53, 806.19 and 172.27 is: 258.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.53 : 806.19 = 172.27 : x
  2. Step 2: Convert to fraction form
    537.53/806.19 = 172.27/x
  3. Step 3: Cross multiply
    537.53x = 806.19 × 172.27
  4. Step 4: Simplify right side
    537.53x = 138,882.71
  5. Step 5: Solve for x
    x = 138,882.71/537.53
  6. Step 6: Final answer
    x = 258.37

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