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Finding the Fourth Proportional to 37.13, 55.91 and 33.95

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Solution

The fourth proportional to 37.13, 55.91 and 33.95 is: 51.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.13 : 55.91 = 33.95 : x
  2. Step 2: Convert to fraction form
    37.13/55.91 = 33.95/x
  3. Step 3: Cross multiply
    37.13x = 55.91 × 33.95
  4. Step 4: Simplify right side
    37.13x = 1,898.37
  5. Step 5: Solve for x
    x = 1,898.37/37.13
  6. Step 6: Final answer
    x = 51.13

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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.