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Finding the Fourth Proportional to 537.23, 804.94 and 406.55

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Solution

The fourth proportional to 537.23, 804.94 and 406.55 is: 609.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.23 : 804.94 = 406.55 : x
  2. Step 2: Convert to fraction form
    537.23/804.94 = 406.55/x
  3. Step 3: Cross multiply
    537.23x = 804.94 × 406.55
  4. Step 4: Simplify right side
    537.23x = 327,249.35
  5. Step 5: Solve for x
    x = 327,249.35/537.23
  6. Step 6: Final answer
    x = 609.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.