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Finding the Fourth Proportional to 30.05, 44.75 and 29.37

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Solution

The fourth proportional to 30.05, 44.75 and 29.37 is: 43.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30.05 : 44.75 = 29.37 : x
  2. Step 2: Convert to fraction form
    30.05/44.75 = 29.37/x
  3. Step 3: Cross multiply
    30.05x = 44.75 × 29.37
  4. Step 4: Simplify right side
    30.05x = 1,314.38
  5. Step 5: Solve for x
    x = 1,314.38/30.05
  6. Step 6: Final answer
    x = 43.75

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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.