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Finding the Fourth Proportional to 302.96, 418.17 and 237.35

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Solution

The fourth proportional to 302.96, 418.17 and 237.35 is: 327.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.96 : 418.17 = 237.35 : x
  2. Step 2: Convert to fraction form
    302.96/418.17 = 237.35/x
  3. Step 3: Cross multiply
    302.96x = 418.17 × 237.35
  4. Step 4: Simplify right side
    302.96x = 99,250.56
  5. Step 5: Solve for x
    x = 99,250.56/302.96
  6. Step 6: Final answer
    x = 327.61

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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.