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Finding the Fourth Proportional to 575.26, 793.35 and 449.26

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Solution

The fourth proportional to 575.26, 793.35 and 449.26 is: 619.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.26 : 793.35 = 449.26 : x
  2. Step 2: Convert to fraction form
    575.26/793.35 = 449.26/x
  3. Step 3: Cross multiply
    575.26x = 793.35 × 449.26
  4. Step 4: Simplify right side
    575.26x = 356,418.44
  5. Step 5: Solve for x
    x = 356,418.44/575.26
  6. Step 6: Final answer
    x = 619.58

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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.