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Finding the Fourth Proportional to 443.33, 606.10 and 426.32

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Solution

The fourth proportional to 443.33, 606.10 and 426.32 is: 582.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    443.33 : 606.10 = 426.32 : x
  2. Step 2: Convert to fraction form
    443.33/606.10 = 426.32/x
  3. Step 3: Cross multiply
    443.33x = 606.10 × 426.32
  4. Step 4: Simplify right side
    443.33x = 258,392.55
  5. Step 5: Solve for x
    x = 258,392.55/443.33
  6. Step 6: Final answer
    x = 582.84

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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.