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Finding the Fourth Proportional to 528.07, 793.02 and 446.97

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Solution

The fourth proportional to 528.07, 793.02 and 446.97 is: 671.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    528.07 : 793.02 = 446.97 : x
  2. Step 2: Convert to fraction form
    528.07/793.02 = 446.97/x
  3. Step 3: Cross multiply
    528.07x = 793.02 × 446.97
  4. Step 4: Simplify right side
    528.07x = 354,452.57
  5. Step 5: Solve for x
    x = 354,452.57/528.07
  6. Step 6: Final answer
    x = 671.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.