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Finding the Fourth Proportional to 723.15, 997.02 and 575.52

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Solution

The fourth proportional to 723.15, 997.02 and 575.52 is: 793.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    723.15 : 997.02 = 575.52 : x
  2. Step 2: Convert to fraction form
    723.15/997.02 = 575.52/x
  3. Step 3: Cross multiply
    723.15x = 997.02 × 575.52
  4. Step 4: Simplify right side
    723.15x = 573,804.95
  5. Step 5: Solve for x
    x = 573,804.95/723.15
  6. Step 6: Final answer
    x = 793.48

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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.