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Finding the Fourth Proportional to 37.02, 55.38 and 34.47

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Solution

The fourth proportional to 37.02, 55.38 and 34.47 is: 51.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.02 : 55.38 = 34.47 : x
  2. Step 2: Convert to fraction form
    37.02/55.38 = 34.47/x
  3. Step 3: Cross multiply
    37.02x = 55.38 × 34.47
  4. Step 4: Simplify right side
    37.02x = 1,908.95
  5. Step 5: Solve for x
    x = 1,908.95/37.02
  6. Step 6: Final answer
    x = 51.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.