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Finding the Fourth Proportional to 441.99, 606.51 and 425.61

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Solution

The fourth proportional to 441.99, 606.51 and 425.61 is: 584.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.99 : 606.51 = 425.61 : x
  2. Step 2: Convert to fraction form
    441.99/606.51 = 425.61/x
  3. Step 3: Cross multiply
    441.99x = 606.51 × 425.61
  4. Step 4: Simplify right side
    441.99x = 258,136.72
  5. Step 5: Solve for x
    x = 258,136.72/441.99
  6. Step 6: Final answer
    x = 584.03

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.