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Finding the Fourth Proportional to 604.26, 911.66 and 573.89

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Solution

The fourth proportional to 604.26, 911.66 and 573.89 is: 865.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.26 : 911.66 = 573.89 : x
  2. Step 2: Convert to fraction form
    604.26/911.66 = 573.89/x
  3. Step 3: Cross multiply
    604.26x = 911.66 × 573.89
  4. Step 4: Simplify right side
    604.26x = 523,185.13
  5. Step 5: Solve for x
    x = 523,185.13/604.26
  6. Step 6: Final answer
    x = 865.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.