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Finding the Fourth Proportional to 497.27, 746.40 and 223.55

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Solution

The fourth proportional to 497.27, 746.40 and 223.55 is: 335.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    497.27 : 746.40 = 223.55 : x
  2. Step 2: Convert to fraction form
    497.27/746.40 = 223.55/x
  3. Step 3: Cross multiply
    497.27x = 746.40 × 223.55
  4. Step 4: Simplify right side
    497.27x = 166,857.72
  5. Step 5: Solve for x
    x = 166,857.72/497.27
  6. Step 6: Final answer
    x = 335.55

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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.