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Finding the Fourth Proportional to 616.22, 849.21 and 441.26

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Solution

The fourth proportional to 616.22, 849.21 and 441.26 is: 608.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.22 : 849.21 = 441.26 : x
  2. Step 2: Convert to fraction form
    616.22/849.21 = 441.26/x
  3. Step 3: Cross multiply
    616.22x = 849.21 × 441.26
  4. Step 4: Simplify right side
    616.22x = 374,717.06
  5. Step 5: Solve for x
    x = 374,717.06/616.22
  6. Step 6: Final answer
    x = 608.09

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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.