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Finding the Fourth Proportional to 722.93, 996.51 and 605.30

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Solution

The fourth proportional to 722.93, 996.51 and 605.30 is: 834.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    722.93 : 996.51 = 605.30 : x
  2. Step 2: Convert to fraction form
    722.93/996.51 = 605.30/x
  3. Step 3: Cross multiply
    722.93x = 996.51 × 605.30
  4. Step 4: Simplify right side
    722.93x = 603,184.79
  5. Step 5: Solve for x
    x = 603,184.79/722.93
  6. Step 6: Final answer
    x = 834.37

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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.