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Finding the Fourth Proportional to 26.34, 36.62 and 26.22

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Solution

The fourth proportional to 26.34, 36.62 and 26.22 is: 36.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.34 : 36.62 = 26.22 : x
  2. Step 2: Convert to fraction form
    26.34/36.62 = 26.22/x
  3. Step 3: Cross multiply
    26.34x = 36.62 × 26.22
  4. Step 4: Simplify right side
    26.34x = 960.05
  5. Step 5: Solve for x
    x = 960.05/26.34
  6. Step 6: Final answer
    x = 36.45

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.