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Finding the Fourth Proportional to 418.10, 627.51 and 244.94

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Solution

The fourth proportional to 418.10, 627.51 and 244.94 is: 367.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    418.10 : 627.51 = 244.94 : x
  2. Step 2: Convert to fraction form
    418.10/627.51 = 244.94/x
  3. Step 3: Cross multiply
    418.10x = 627.51 × 244.94
  4. Step 4: Simplify right side
    418.10x = 153,702.30
  5. Step 5: Solve for x
    x = 153,702.30/418.10
  6. Step 6: Final answer
    x = 367.62

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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.