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Finding the Fourth Proportional to 2,245.89, 3,368.55 and 602.57

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Solution

The fourth proportional to 2,245.89, 3,368.55 and 602.57 is: 903.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.89 : 3,368.55 = 602.57 : x
  2. Step 2: Convert to fraction form
    2,245.89/3,368.55 = 602.57/x
  3. Step 3: Cross multiply
    2,245.89x = 3,368.55 × 602.57
  4. Step 4: Simplify right side
    2,245.89x = 2,029,797.85
  5. Step 5: Solve for x
    x = 2,029,797.85/2,245.89
  6. Step 6: Final answer
    x = 903.78

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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.