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Finding the Fourth Proportional to 441.70, 605.18 and 435.64

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Solution

The fourth proportional to 441.70, 605.18 and 435.64 is: 596.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.70 : 605.18 = 435.64 : x
  2. Step 2: Convert to fraction form
    441.70/605.18 = 435.64/x
  3. Step 3: Cross multiply
    441.70x = 605.18 × 435.64
  4. Step 4: Simplify right side
    441.70x = 263,640.62
  5. Step 5: Solve for x
    x = 263,640.62/441.70
  6. Step 6: Final answer
    x = 596.88

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.