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Finding the Fourth Proportional to 537.43, 806.25 and 172.19

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Solution

The fourth proportional to 537.43, 806.25 and 172.19 is: 258.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.43 : 806.25 = 172.19 : x
  2. Step 2: Convert to fraction form
    537.43/806.25 = 172.19/x
  3. Step 3: Cross multiply
    537.43x = 806.25 × 172.19
  4. Step 4: Simplify right side
    537.43x = 138,828.19
  5. Step 5: Solve for x
    x = 138,828.19/537.43
  6. Step 6: Final answer
    x = 258.32

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