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Finding the Fourth Proportional to 575.26, 793.96 and 339.19

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Solution

The fourth proportional to 575.26, 793.96 and 339.19 is: 468.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.26 : 793.96 = 339.19 : x
  2. Step 2: Convert to fraction form
    575.26/793.96 = 339.19/x
  3. Step 3: Cross multiply
    575.26x = 793.96 × 339.19
  4. Step 4: Simplify right side
    575.26x = 269,305.28
  5. Step 5: Solve for x
    x = 269,305.28/575.26
  6. Step 6: Final answer
    x = 468.15

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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.