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Finding the Fourth Proportional to 379.26, 565.73 and 335.52

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Solution

The fourth proportional to 379.26, 565.73 and 335.52 is: 500.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.26 : 565.73 = 335.52 : x
  2. Step 2: Convert to fraction form
    379.26/565.73 = 335.52/x
  3. Step 3: Cross multiply
    379.26x = 565.73 × 335.52
  4. Step 4: Simplify right side
    379.26x = 189,813.73
  5. Step 5: Solve for x
    x = 189,813.73/379.26
  6. Step 6: Final answer
    x = 500.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.