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Finding the Fourth Proportional to 676.68, 1,015.02 and 244.14

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Solution

The fourth proportional to 676.68, 1,015.02 and 244.14 is: 366.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.68 : 1,015.02 = 244.14 : x
  2. Step 2: Convert to fraction form
    676.68/1,015.02 = 244.14/x
  3. Step 3: Cross multiply
    676.68x = 1,015.02 × 244.14
  4. Step 4: Simplify right side
    676.68x = 247,806.98
  5. Step 5: Solve for x
    x = 247,806.98/676.68
  6. Step 6: Final answer
    x = 366.21

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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.