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Finding the Fourth Proportional to 1,494.84, 2,241.24 and 604.80

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Solution

The fourth proportional to 1,494.84, 2,241.24 and 604.80 is: 906.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494.84 : 2,241.24 = 604.80 : x
  2. Step 2: Convert to fraction form
    1,494.84/2,241.24 = 604.80/x
  3. Step 3: Cross multiply
    1,494.84x = 2,241.24 × 604.80
  4. Step 4: Simplify right side
    1,494.84x = 1,355,501.95
  5. Step 5: Solve for x
    x = 1,355,501.95/1,494.84
  6. Step 6: Final answer
    x = 906.79

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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.