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Finding the Fourth Proportional to 497.26, 744.27 and 398.44

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Solution

The fourth proportional to 497.26, 744.27 and 398.44 is: 596.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    497.26 : 744.27 = 398.44 : x
  2. Step 2: Convert to fraction form
    497.26/744.27 = 398.44/x
  3. Step 3: Cross multiply
    497.26x = 744.27 × 398.44
  4. Step 4: Simplify right side
    497.26x = 296,546.94
  5. Step 5: Solve for x
    x = 296,546.94/497.26
  6. Step 6: Final answer
    x = 596.36

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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.