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Finding the Fourth Proportional to 437.59, 604.26 and 326.87

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Solution

The fourth proportional to 437.59, 604.26 and 326.87 is: 451.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.59 : 604.26 = 326.87 : x
  2. Step 2: Convert to fraction form
    437.59/604.26 = 326.87/x
  3. Step 3: Cross multiply
    437.59x = 604.26 × 326.87
  4. Step 4: Simplify right side
    437.59x = 197,514.47
  5. Step 5: Solve for x
    x = 197,514.47/437.59
  6. Step 6: Final answer
    x = 451.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.