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Finding the Fourth Proportional to 604.26, 902.04 and 511.92

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Solution

The fourth proportional to 604.26, 902.04 and 511.92 is: 764.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.26 : 902.04 = 511.92 : x
  2. Step 2: Convert to fraction form
    604.26/902.04 = 511.92/x
  3. Step 3: Cross multiply
    604.26x = 902.04 × 511.92
  4. Step 4: Simplify right side
    604.26x = 461,770.40
  5. Step 5: Solve for x
    x = 461,770.40/604.26
  6. Step 6: Final answer
    x = 764.19

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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.