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Finding the Fourth Proportional to 37.37, 56.39 and 36.65

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Solution

The fourth proportional to 37.37, 56.39 and 36.65 is: 55.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.37 : 56.39 = 36.65 : x
  2. Step 2: Convert to fraction form
    37.37/56.39 = 36.65/x
  3. Step 3: Cross multiply
    37.37x = 56.39 × 36.65
  4. Step 4: Simplify right side
    37.37x = 2,066.69
  5. Step 5: Solve for x
    x = 2,066.69/37.37
  6. Step 6: Final answer
    x = 55.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.