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Finding the Fourth Proportional to 526.25, 792.79 and 481.14

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Solution

The fourth proportional to 526.25, 792.79 and 481.14 is: 724.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.25 : 792.79 = 481.14 : x
  2. Step 2: Convert to fraction form
    526.25/792.79 = 481.14/x
  3. Step 3: Cross multiply
    526.25x = 792.79 × 481.14
  4. Step 4: Simplify right side
    526.25x = 381,441.78
  5. Step 5: Solve for x
    x = 381,441.78/526.25
  6. Step 6: Final answer
    x = 724.83

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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.