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Finding the Fourth Proportional to 224.11, 309.37 and 150.46

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Solution

The fourth proportional to 224.11, 309.37 and 150.46 is: 207.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.11 : 309.37 = 150.46 : x
  2. Step 2: Convert to fraction form
    224.11/309.37 = 150.46/x
  3. Step 3: Cross multiply
    224.11x = 309.37 × 150.46
  4. Step 4: Simplify right side
    224.11x = 46,547.06
  5. Step 5: Solve for x
    x = 46,547.06/224.11
  6. Step 6: Final answer
    x = 207.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.