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Finding the Fourth Proportional to 484.36, 722.28 and 479.97

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Solution

The fourth proportional to 484.36, 722.28 and 479.97 is: 715.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.36 : 722.28 = 479.97 : x
  2. Step 2: Convert to fraction form
    484.36/722.28 = 479.97/x
  3. Step 3: Cross multiply
    484.36x = 722.28 × 479.97
  4. Step 4: Simplify right side
    484.36x = 346,672.73
  5. Step 5: Solve for x
    x = 346,672.73/484.36
  6. Step 6: Final answer
    x = 715.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.