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Finding the Fourth Proportional to 37.04, 55.46 and 30.96

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Solution

The fourth proportional to 37.04, 55.46 and 30.96 is: 46.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.04 : 55.46 = 30.96 : x
  2. Step 2: Convert to fraction form
    37.04/55.46 = 30.96/x
  3. Step 3: Cross multiply
    37.04x = 55.46 × 30.96
  4. Step 4: Simplify right side
    37.04x = 1,717.04
  5. Step 5: Solve for x
    x = 1,717.04/37.04
  6. Step 6: Final answer
    x = 46.36

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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.