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Finding the Fourth Proportional to 395.26, 593.03 and 202.75

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Solution

The fourth proportional to 395.26, 593.03 and 202.75 is: 304.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.26 : 593.03 = 202.75 : x
  2. Step 2: Convert to fraction form
    395.26/593.03 = 202.75/x
  3. Step 3: Cross multiply
    395.26x = 593.03 × 202.75
  4. Step 4: Simplify right side
    395.26x = 120,235.82
  5. Step 5: Solve for x
    x = 120,235.82/395.26
  6. Step 6: Final answer
    x = 304.19

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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.