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Finding the Fourth Proportional to 50.44, 75.74 and 46.69

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Solution

The fourth proportional to 50.44, 75.74 and 46.69 is: 70.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.44 : 75.74 = 46.69 : x
  2. Step 2: Convert to fraction form
    50.44/75.74 = 46.69/x
  3. Step 3: Cross multiply
    50.44x = 75.74 × 46.69
  4. Step 4: Simplify right side
    50.44x = 3,536.30
  5. Step 5: Solve for x
    x = 3,536.30/50.44
  6. Step 6: Final answer
    x = 70.11

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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.