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Finding the Fourth Proportional to 604.22, 906.92 and 296.82

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Solution

The fourth proportional to 604.22, 906.92 and 296.82 is: 445.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.22 : 906.92 = 296.82 : x
  2. Step 2: Convert to fraction form
    604.22/906.92 = 296.82/x
  3. Step 3: Cross multiply
    604.22x = 906.92 × 296.82
  4. Step 4: Simplify right side
    604.22x = 269,191.99
  5. Step 5: Solve for x
    x = 269,191.99/604.22
  6. Step 6: Final answer
    x = 445.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.