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Finding the Fourth Proportional to 528.58, 796.03 and 481.88

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Solution

The fourth proportional to 528.58, 796.03 and 481.88 is: 725.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    528.58 : 796.03 = 481.88 : x
  2. Step 2: Convert to fraction form
    528.58/796.03 = 481.88/x
  3. Step 3: Cross multiply
    528.58x = 796.03 × 481.88
  4. Step 4: Simplify right side
    528.58x = 383,590.94
  5. Step 5: Solve for x
    x = 383,590.94/528.58
  6. Step 6: Final answer
    x = 725.70

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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.