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Finding the Fourth Proportional to 722.04, 997.26 and 604.44

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Solution

The fourth proportional to 722.04, 997.26 and 604.44 is: 834.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    722.04 : 997.26 = 604.44 : x
  2. Step 2: Convert to fraction form
    722.04/997.26 = 604.44/x
  3. Step 3: Cross multiply
    722.04x = 997.26 × 604.44
  4. Step 4: Simplify right side
    722.04x = 602,783.83
  5. Step 5: Solve for x
    x = 602,783.83/722.04
  6. Step 6: Final answer
    x = 834.83

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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.