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Finding the Fourth Proportional to 484.62, 722.06 and 451.50

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Solution

The fourth proportional to 484.62, 722.06 and 451.50 is: 672.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.62 : 722.06 = 451.50 : x
  2. Step 2: Convert to fraction form
    484.62/722.06 = 451.50/x
  3. Step 3: Cross multiply
    484.62x = 722.06 × 451.50
  4. Step 4: Simplify right side
    484.62x = 326,007.83
  5. Step 5: Solve for x
    x = 326,007.83/484.62
  6. Step 6: Final answer
    x = 672.71

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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.