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Finding the Fourth Proportional to 246.03, 339.11 and 172.22

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Solution

The fourth proportional to 246.03, 339.11 and 172.22 is: 237.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.03 : 339.11 = 172.22 : x
  2. Step 2: Convert to fraction form
    246.03/339.11 = 172.22/x
  3. Step 3: Cross multiply
    246.03x = 339.11 × 172.22
  4. Step 4: Simplify right side
    246.03x = 58,398.97
  5. Step 5: Solve for x
    x = 58,398.97/246.03
  6. Step 6: Final answer
    x = 237.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.