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Finding the Fourth Proportional to 15.37, 23.06 and 7.36

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Solution

The fourth proportional to 15.37, 23.06 and 7.36 is: 11.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.37 : 23.06 = 7.36 : x
  2. Step 2: Convert to fraction form
    15.37/23.06 = 7.36/x
  3. Step 3: Cross multiply
    15.37x = 23.06 × 7.36
  4. Step 4: Simplify right side
    15.37x = 169.57
  5. Step 5: Solve for x
    x = 169.57/15.37
  6. Step 6: Final answer
    x = 11.04

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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.