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Finding the Fourth Proportional to 37.54, 55.66 and 36.85

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Solution

The fourth proportional to 37.54, 55.66 and 36.85 is: 54.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.54 : 55.66 = 36.85 : x
  2. Step 2: Convert to fraction form
    37.54/55.66 = 36.85/x
  3. Step 3: Cross multiply
    37.54x = 55.66 × 36.85
  4. Step 4: Simplify right side
    37.54x = 2,051.07
  5. Step 5: Solve for x
    x = 2,051.07/37.54
  6. Step 6: Final answer
    x = 54.64

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.