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Finding the Fourth Proportional to 497.28, 745.94 and 223.41

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Solution

The fourth proportional to 497.28, 745.94 and 223.41 is: 335.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    497.28 : 745.94 = 223.41 : x
  2. Step 2: Convert to fraction form
    497.28/745.94 = 223.41/x
  3. Step 3: Cross multiply
    497.28x = 745.94 × 223.41
  4. Step 4: Simplify right side
    497.28x = 166,651.01
  5. Step 5: Solve for x
    x = 166,651.01/497.28
  6. Step 6: Final answer
    x = 335.13

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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.