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Finding the Fourth Proportional to 22.37, 33.56 and 10.35

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Solution

The fourth proportional to 22.37, 33.56 and 10.35 is: 15.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.37 : 33.56 = 10.35 : x
  2. Step 2: Convert to fraction form
    22.37/33.56 = 10.35/x
  3. Step 3: Cross multiply
    22.37x = 33.56 × 10.35
  4. Step 4: Simplify right side
    22.37x = 347.35
  5. Step 5: Solve for x
    x = 347.35/22.37
  6. Step 6: Final answer
    x = 15.53

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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.