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Finding the Fourth Proportional to 480.99, 724.37 and 404.44

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Solution

The fourth proportional to 480.99, 724.37 and 404.44 is: 609.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    480.99 : 724.37 = 404.44 : x
  2. Step 2: Convert to fraction form
    480.99/724.37 = 404.44/x
  3. Step 3: Cross multiply
    480.99x = 724.37 × 404.44
  4. Step 4: Simplify right side
    480.99x = 292,965.58
  5. Step 5: Solve for x
    x = 292,965.58/480.99
  6. Step 6: Final answer
    x = 609.09

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.