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Finding the Fourth Proportional to 528.96, 796.77 and 496.56

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Solution

The fourth proportional to 528.96, 796.77 and 496.56 is: 747.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    528.96 : 796.77 = 496.56 : x
  2. Step 2: Convert to fraction form
    528.96/796.77 = 496.56/x
  3. Step 3: Cross multiply
    528.96x = 796.77 × 496.56
  4. Step 4: Simplify right side
    528.96x = 395,644.11
  5. Step 5: Solve for x
    x = 395,644.11/528.96
  6. Step 6: Final answer
    x = 747.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.