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Finding the Fourth Proportional to 237.47, 326.88 and 190.49

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Solution

The fourth proportional to 237.47, 326.88 and 190.49 is: 262.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.47 : 326.88 = 190.49 : x
  2. Step 2: Convert to fraction form
    237.47/326.88 = 190.49/x
  3. Step 3: Cross multiply
    237.47x = 326.88 × 190.49
  4. Step 4: Simplify right side
    237.47x = 62,265.74
  5. Step 5: Solve for x
    x = 62,265.74/237.47
  6. Step 6: Final answer
    x = 262.21

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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.