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Finding the Fourth Proportional to 294.87, 441.09 and 225.63

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Solution

The fourth proportional to 294.87, 441.09 and 225.63 is: 337.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.87 : 441.09 = 225.63 : x
  2. Step 2: Convert to fraction form
    294.87/441.09 = 225.63/x
  3. Step 3: Cross multiply
    294.87x = 441.09 × 225.63
  4. Step 4: Simplify right side
    294.87x = 99,523.14
  5. Step 5: Solve for x
    x = 99,523.14/294.87
  6. Step 6: Final answer
    x = 337.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.