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Finding the Fourth Proportional to 300.06, 414.25 and 202.34

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Solution

The fourth proportional to 300.06, 414.25 and 202.34 is: 279.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    300.06 : 414.25 = 202.34 : x
  2. Step 2: Convert to fraction form
    300.06/414.25 = 202.34/x
  3. Step 3: Cross multiply
    300.06x = 414.25 × 202.34
  4. Step 4: Simplify right side
    300.06x = 83,819.35
  5. Step 5: Solve for x
    x = 83,819.35/300.06
  6. Step 6: Final answer
    x = 279.34

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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.