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Finding the Fourth Proportional to 266.22, 367.47 and 188.46

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Solution

The fourth proportional to 266.22, 367.47 and 188.46 is: 260.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.22 : 367.47 = 188.46 : x
  2. Step 2: Convert to fraction form
    266.22/367.47 = 188.46/x
  3. Step 3: Cross multiply
    266.22x = 367.47 × 188.46
  4. Step 4: Simplify right side
    266.22x = 69,253.40
  5. Step 5: Solve for x
    x = 69,253.40/266.22
  6. Step 6: Final answer
    x = 260.14

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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.