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Finding the Fourth Proportional to 441.96, 610 and 276.32

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Solution

The fourth proportional to 441.96, 610 and 276.32 is: 381.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.96 : 610 = 276.32 : x
  2. Step 2: Convert to fraction form
    441.96/610 = 276.32/x
  3. Step 3: Cross multiply
    441.96x = 610 × 276.32
  4. Step 4: Simplify right side
    441.96x = 168,555.20
  5. Step 5: Solve for x
    x = 168,555.20/441.96
  6. Step 6: Final answer
    x = 381.38

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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.