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Finding the Fourth Proportional to 441.24, 609.19 and 283.95

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Solution

The fourth proportional to 441.24, 609.19 and 283.95 is: 392.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.24 : 609.19 = 283.95 : x
  2. Step 2: Convert to fraction form
    441.24/609.19 = 283.95/x
  3. Step 3: Cross multiply
    441.24x = 609.19 × 283.95
  4. Step 4: Simplify right side
    441.24x = 172,979.50
  5. Step 5: Solve for x
    x = 172,979.50/441.24
  6. Step 6: Final answer
    x = 392.03

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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.