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Finding the Fourth Proportional to 229.84, 317.22 and 162.52

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Solution

The fourth proportional to 229.84, 317.22 and 162.52 is: 224.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.84 : 317.22 = 162.52 : x
  2. Step 2: Convert to fraction form
    229.84/317.22 = 162.52/x
  3. Step 3: Cross multiply
    229.84x = 317.22 × 162.52
  4. Step 4: Simplify right side
    229.84x = 51,554.59
  5. Step 5: Solve for x
    x = 51,554.59/229.84
  6. Step 6: Final answer
    x = 224.31

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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.