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Finding the Fourth Proportional to 240.84, 332.28 and 191.68

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Solution

The fourth proportional to 240.84, 332.28 and 191.68 is: 264.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.84 : 332.28 = 191.68 : x
  2. Step 2: Convert to fraction form
    240.84/332.28 = 191.68/x
  3. Step 3: Cross multiply
    240.84x = 332.28 × 191.68
  4. Step 4: Simplify right side
    240.84x = 63,691.43
  5. Step 5: Solve for x
    x = 63,691.43/240.84
  6. Step 6: Final answer
    x = 264.46

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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.