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Finding the Fourth Proportional to 237.43, 353.33 and 235

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Solution

The fourth proportional to 237.43, 353.33 and 235 is: 349.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.43 : 353.33 = 235 : x
  2. Step 2: Convert to fraction form
    237.43/353.33 = 235/x
  3. Step 3: Cross multiply
    237.43x = 353.33 × 235
  4. Step 4: Simplify right side
    237.43x = 83,032.55
  5. Step 5: Solve for x
    x = 83,032.55/237.43
  6. Step 6: Final answer
    x = 349.71

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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.