Home / 214.20-294.95-196.66

Finding the Fourth Proportional to 214.20, 294.95 and 196.66

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Solution

The fourth proportional to 214.20, 294.95 and 196.66 is: 270.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    214.20 : 294.95 = 196.66 : x
  2. Step 2: Convert to fraction form
    214.20/294.95 = 196.66/x
  3. Step 3: Cross multiply
    214.20x = 294.95 × 196.66
  4. Step 4: Simplify right side
    214.20x = 58,002.41
  5. Step 5: Solve for x
    x = 58,002.41/214.20
  6. Step 6: Final answer
    x = 270.79

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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.