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Finding the Fourth Proportional to 337.38, 465.66 and 220.88

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Solution

The fourth proportional to 337.38, 465.66 and 220.88 is: 304.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.38 : 465.66 = 220.88 : x
  2. Step 2: Convert to fraction form
    337.38/465.66 = 220.88/x
  3. Step 3: Cross multiply
    337.38x = 465.66 × 220.88
  4. Step 4: Simplify right side
    337.38x = 102,852.65
  5. Step 5: Solve for x
    x = 102,852.65/337.38
  6. Step 6: Final answer
    x = 304.86

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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.