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Finding the Fourth Proportional to 11.01, 16.59 and 10.52

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Solution

The fourth proportional to 11.01, 16.59 and 10.52 is: 15.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.01 : 16.59 = 10.52 : x
  2. Step 2: Convert to fraction form
    11.01/16.59 = 10.52/x
  3. Step 3: Cross multiply
    11.01x = 16.59 × 10.52
  4. Step 4: Simplify right side
    11.01x = 174.44
  5. Step 5: Solve for x
    x = 174.44/11.01
  6. Step 6: Final answer
    x = 15.84

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.