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Finding the Fourth Proportional to 484.03, 667.87 and 440.97

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Solution

The fourth proportional to 484.03, 667.87 and 440.97 is: 608.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.03 : 667.87 = 440.97 : x
  2. Step 2: Convert to fraction form
    484.03/667.87 = 440.97/x
  3. Step 3: Cross multiply
    484.03x = 667.87 × 440.97
  4. Step 4: Simplify right side
    484.03x = 294,510.63
  5. Step 5: Solve for x
    x = 294,510.63/484.03
  6. Step 6: Final answer
    x = 608.46

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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.