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Finding the Fourth Proportional to 37.68, 56.19 and 36.33

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Solution

The fourth proportional to 37.68, 56.19 and 36.33 is: 54.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.68 : 56.19 = 36.33 : x
  2. Step 2: Convert to fraction form
    37.68/56.19 = 36.33/x
  3. Step 3: Cross multiply
    37.68x = 56.19 × 36.33
  4. Step 4: Simplify right side
    37.68x = 2,041.38
  5. Step 5: Solve for x
    x = 2,041.38/37.68
  6. Step 6: Final answer
    x = 54.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.