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Finding the Fourth Proportional to 575.03, 793.91 and 535.77

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Solution

The fourth proportional to 575.03, 793.91 and 535.77 is: 739.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.03 : 793.91 = 535.77 : x
  2. Step 2: Convert to fraction form
    575.03/793.91 = 535.77/x
  3. Step 3: Cross multiply
    575.03x = 793.91 × 535.77
  4. Step 4: Simplify right side
    575.03x = 425,350.48
  5. Step 5: Solve for x
    x = 425,350.48/575.03
  6. Step 6: Final answer
    x = 739.71

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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.