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Finding the Fourth Proportional to 722.62, 997.41 and 473.85

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Solution

The fourth proportional to 722.62, 997.41 and 473.85 is: 654.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    722.62 : 997.41 = 473.85 : x
  2. Step 2: Convert to fraction form
    722.62/997.41 = 473.85/x
  3. Step 3: Cross multiply
    722.62x = 997.41 × 473.85
  4. Step 4: Simplify right side
    722.62x = 472,624.51
  5. Step 5: Solve for x
    x = 472,624.51/722.62
  6. Step 6: Final answer
    x = 654.04

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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.