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Finding the Fourth Proportional to 404.84, 605.88 and 298.73

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Solution

The fourth proportional to 404.84, 605.88 and 298.73 is: 447.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.84 : 605.88 = 298.73 : x
  2. Step 2: Convert to fraction form
    404.84/605.88 = 298.73/x
  3. Step 3: Cross multiply
    404.84x = 605.88 × 298.73
  4. Step 4: Simplify right side
    404.84x = 180,994.53
  5. Step 5: Solve for x
    x = 180,994.53/404.84
  6. Step 6: Final answer
    x = 447.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.