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Finding the Fourth Proportional to 50.05, 75.08 and 38.03

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Solution

The fourth proportional to 50.05, 75.08 and 38.03 is: 57.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.05 : 75.08 = 38.03 : x
  2. Step 2: Convert to fraction form
    50.05/75.08 = 38.03/x
  3. Step 3: Cross multiply
    50.05x = 75.08 × 38.03
  4. Step 4: Simplify right side
    50.05x = 2,855.29
  5. Step 5: Solve for x
    x = 2,855.29/50.05
  6. Step 6: Final answer
    x = 57.05

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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.