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Finding the Fourth Proportional to 37.19, 55.44 and 36.42

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Solution

The fourth proportional to 37.19, 55.44 and 36.42 is: 54.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.19 : 55.44 = 36.42 : x
  2. Step 2: Convert to fraction form
    37.19/55.44 = 36.42/x
  3. Step 3: Cross multiply
    37.19x = 55.44 × 36.42
  4. Step 4: Simplify right side
    37.19x = 2,019.12
  5. Step 5: Solve for x
    x = 2,019.12/37.19
  6. Step 6: Final answer
    x = 54.30

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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.