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Finding the Fourth Proportional to 37.14, 55.20 and 36.96

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Solution

The fourth proportional to 37.14, 55.20 and 36.96 is: 54.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.14 : 55.20 = 36.96 : x
  2. Step 2: Convert to fraction form
    37.14/55.20 = 36.96/x
  3. Step 3: Cross multiply
    37.14x = 55.20 × 36.96
  4. Step 4: Simplify right side
    37.14x = 2,040.19
  5. Step 5: Solve for x
    x = 2,040.19/37.14
  6. Step 6: Final answer
    x = 54.93

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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.