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Finding the Fourth Proportional to 37.73, 56.23 and 34.70

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Solution

The fourth proportional to 37.73, 56.23 and 34.70 is: 51.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.73 : 56.23 = 34.70 : x
  2. Step 2: Convert to fraction form
    37.73/56.23 = 34.70/x
  3. Step 3: Cross multiply
    37.73x = 56.23 × 34.70
  4. Step 4: Simplify right side
    37.73x = 1,950.81
  5. Step 5: Solve for x
    x = 1,950.81/37.73
  6. Step 6: Final answer
    x = 51.70

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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.