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Finding the Fourth Proportional to 441.04, 657.90 and 376.44

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Solution

The fourth proportional to 441.04, 657.90 and 376.44 is: 561.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.04 : 657.90 = 376.44 : x
  2. Step 2: Convert to fraction form
    441.04/657.90 = 376.44/x
  3. Step 3: Cross multiply
    441.04x = 657.90 × 376.44
  4. Step 4: Simplify right side
    441.04x = 247,659.88
  5. Step 5: Solve for x
    x = 247,659.88/441.04
  6. Step 6: Final answer
    x = 561.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.