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Finding the Fourth Proportional to 37.97, 52.43 and 35.81

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Solution

The fourth proportional to 37.97, 52.43 and 35.81 is: 49.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.97 : 52.43 = 35.81 : x
  2. Step 2: Convert to fraction form
    37.97/52.43 = 35.81/x
  3. Step 3: Cross multiply
    37.97x = 52.43 × 35.81
  4. Step 4: Simplify right side
    37.97x = 1,877.51
  5. Step 5: Solve for x
    x = 1,877.51/37.97
  6. Step 6: Final answer
    x = 49.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.