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Finding the Fourth Proportional to 50.36, 75.16 and 44.35

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Solution

The fourth proportional to 50.36, 75.16 and 44.35 is: 66.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.36 : 75.16 = 44.35 : x
  2. Step 2: Convert to fraction form
    50.36/75.16 = 44.35/x
  3. Step 3: Cross multiply
    50.36x = 75.16 × 44.35
  4. Step 4: Simplify right side
    50.36x = 3,333.21
  5. Step 5: Solve for x
    x = 3,333.21/50.36
  6. Step 6: Final answer
    x = 66.19

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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.