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Finding the Fourth Proportional to 334.88, 462.08 and 247.68

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Solution

The fourth proportional to 334.88, 462.08 and 247.68 is: 341.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.88 : 462.08 = 247.68 : x
  2. Step 2: Convert to fraction form
    334.88/462.08 = 247.68/x
  3. Step 3: Cross multiply
    334.88x = 462.08 × 247.68
  4. Step 4: Simplify right side
    334.88x = 114,447.97
  5. Step 5: Solve for x
    x = 114,447.97/334.88
  6. Step 6: Final answer
    x = 341.76

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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.