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Finding the Fourth Proportional to 604.69, 908.43 and 525.49

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Solution

The fourth proportional to 604.69, 908.43 and 525.49 is: 789.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.69 : 908.43 = 525.49 : x
  2. Step 2: Convert to fraction form
    604.69/908.43 = 525.49/x
  3. Step 3: Cross multiply
    604.69x = 908.43 × 525.49
  4. Step 4: Simplify right side
    604.69x = 477,370.88
  5. Step 5: Solve for x
    x = 477,370.88/604.69
  6. Step 6: Final answer
    x = 789.45

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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.