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Finding the Fourth Proportional to 224.18, 336.93 and 185.91

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Solution

The fourth proportional to 224.18, 336.93 and 185.91 is: 279.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.18 : 336.93 = 185.91 : x
  2. Step 2: Convert to fraction form
    224.18/336.93 = 185.91/x
  3. Step 3: Cross multiply
    224.18x = 336.93 × 185.91
  4. Step 4: Simplify right side
    224.18x = 62,638.66
  5. Step 5: Solve for x
    x = 62,638.66/224.18
  6. Step 6: Final answer
    x = 279.41

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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.