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Finding the Fourth Proportional to 418.35, 627.17 and 244.59

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Solution

The fourth proportional to 418.35, 627.17 and 244.59 is: 366.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    418.35 : 627.17 = 244.59 : x
  2. Step 2: Convert to fraction form
    418.35/627.17 = 244.59/x
  3. Step 3: Cross multiply
    418.35x = 627.17 × 244.59
  4. Step 4: Simplify right side
    418.35x = 153,398.29
  5. Step 5: Solve for x
    x = 153,398.29/418.35
  6. Step 6: Final answer
    x = 366.67

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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.