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Finding the Fourth Proportional to 442.44, 609.30 and 441

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Solution

The fourth proportional to 442.44, 609.30 and 441 is: 607.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    442.44 : 609.30 = 441 : x
  2. Step 2: Convert to fraction form
    442.44/609.30 = 441/x
  3. Step 3: Cross multiply
    442.44x = 609.30 × 441
  4. Step 4: Simplify right side
    442.44x = 268,701.30
  5. Step 5: Solve for x
    x = 268,701.30/442.44
  6. Step 6: Final answer
    x = 607.32

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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.