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Finding the Fourth Proportional to 575.17, 793.41 and 353.97

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Solution

The fourth proportional to 575.17, 793.41 and 353.97 is: 488.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.17 : 793.41 = 353.97 : x
  2. Step 2: Convert to fraction form
    575.17/793.41 = 353.97/x
  3. Step 3: Cross multiply
    575.17x = 793.41 × 353.97
  4. Step 4: Simplify right side
    575.17x = 280,844.00
  5. Step 5: Solve for x
    x = 280,844.00/575.17
  6. Step 6: Final answer
    x = 488.28

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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.