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Finding the Fourth Proportional to 506.22, 698.50 and 293.46

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Solution

The fourth proportional to 506.22, 698.50 and 293.46 is: 404.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    506.22 : 698.50 = 293.46 : x
  2. Step 2: Convert to fraction form
    506.22/698.50 = 293.46/x
  3. Step 3: Cross multiply
    506.22x = 698.50 × 293.46
  4. Step 4: Simplify right side
    506.22x = 204,980.87
  5. Step 5: Solve for x
    x = 204,980.87/506.22
  6. Step 6: Final answer
    x = 404.92

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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.