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Finding the Fourth Proportional to 506.39, 698.82 and 273.52

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Solution

The fourth proportional to 506.39, 698.82 and 273.52 is: 377.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    506.39 : 698.82 = 273.52 : x
  2. Step 2: Convert to fraction form
    506.39/698.82 = 273.52/x
  3. Step 3: Cross multiply
    506.39x = 698.82 × 273.52
  4. Step 4: Simplify right side
    506.39x = 191,137.93
  5. Step 5: Solve for x
    x = 191,137.93/506.39
  6. Step 6: Final answer
    x = 377.45

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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.