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Finding the Fourth Proportional to 484.82, 668.73 and 335.18

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Solution

The fourth proportional to 484.82, 668.73 and 335.18 is: 462.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.82 : 668.73 = 335.18 : x
  2. Step 2: Convert to fraction form
    484.82/668.73 = 335.18/x
  3. Step 3: Cross multiply
    484.82x = 668.73 × 335.18
  4. Step 4: Simplify right side
    484.82x = 224,147.85
  5. Step 5: Solve for x
    x = 224,147.85/484.82
  6. Step 6: Final answer
    x = 462.33

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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.