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Finding the Fourth Proportional to 36.99, 51.06 and 23.15

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Solution

The fourth proportional to 36.99, 51.06 and 23.15 is: 31.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.99 : 51.06 = 23.15 : x
  2. Step 2: Convert to fraction form
    36.99/51.06 = 23.15/x
  3. Step 3: Cross multiply
    36.99x = 51.06 × 23.15
  4. Step 4: Simplify right side
    36.99x = 1,182.25
  5. Step 5: Solve for x
    x = 1,182.25/36.99
  6. Step 6: Final answer
    x = 31.96

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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.