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Finding the Fourth Proportional to 406.73, 606.26 and 403.54

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Solution

The fourth proportional to 406.73, 606.26 and 403.54 is: 601.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    406.73 : 606.26 = 403.54 : x
  2. Step 2: Convert to fraction form
    406.73/606.26 = 403.54/x
  3. Step 3: Cross multiply
    406.73x = 606.26 × 403.54
  4. Step 4: Simplify right side
    406.73x = 244,650.16
  5. Step 5: Solve for x
    x = 244,650.16/406.73
  6. Step 6: Final answer
    x = 601.51

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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.