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Finding the Fourth Proportional to 484.68, 668.36 and 414.97

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Solution

The fourth proportional to 484.68, 668.36 and 414.97 is: 572.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.68 : 668.36 = 414.97 : x
  2. Step 2: Convert to fraction form
    484.68/668.36 = 414.97/x
  3. Step 3: Cross multiply
    484.68x = 668.36 × 414.97
  4. Step 4: Simplify right side
    484.68x = 277,348.72
  5. Step 5: Solve for x
    x = 277,348.72/484.68
  6. Step 6: Final answer
    x = 572.24

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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.