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Finding the Fourth Proportional to 441.06, 612.90 and 436.62

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Solution

The fourth proportional to 441.06, 612.90 and 436.62 is: 606.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.06 : 612.90 = 436.62 : x
  2. Step 2: Convert to fraction form
    441.06/612.90 = 436.62/x
  3. Step 3: Cross multiply
    441.06x = 612.90 × 436.62
  4. Step 4: Simplify right side
    441.06x = 267,604.40
  5. Step 5: Solve for x
    x = 267,604.40/441.06
  6. Step 6: Final answer
    x = 606.73

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.