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Finding the Fourth Proportional to 397.44, 593.60 and 336.69

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Solution

The fourth proportional to 397.44, 593.60 and 336.69 is: 502.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    397.44 : 593.60 = 336.69 : x
  2. Step 2: Convert to fraction form
    397.44/593.60 = 336.69/x
  3. Step 3: Cross multiply
    397.44x = 593.60 × 336.69
  4. Step 4: Simplify right side
    397.44x = 199,857.50
  5. Step 5: Solve for x
    x = 199,857.50/397.44
  6. Step 6: Final answer
    x = 502.86

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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.