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Finding the Fourth Proportional to 537.33, 806.02 and 172.09

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Solution

The fourth proportional to 537.33, 806.02 and 172.09 is: 258.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.33 : 806.02 = 172.09 : x
  2. Step 2: Convert to fraction form
    537.33/806.02 = 172.09/x
  3. Step 3: Cross multiply
    537.33x = 806.02 × 172.09
  4. Step 4: Simplify right side
    537.33x = 138,707.98
  5. Step 5: Solve for x
    x = 138,707.98/537.33
  6. Step 6: Final answer
    x = 258.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.