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Finding the Fourth Proportional to 437.40, 604.26 and 372.60

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Solution

The fourth proportional to 437.40, 604.26 and 372.60 is: 514.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.40 : 604.26 = 372.60 : x
  2. Step 2: Convert to fraction form
    437.40/604.26 = 372.60/x
  3. Step 3: Cross multiply
    437.40x = 604.26 × 372.60
  4. Step 4: Simplify right side
    437.40x = 225,147.28
  5. Step 5: Solve for x
    x = 225,147.28/437.40
  6. Step 6: Final answer
    x = 514.74

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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.