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Finding the Fourth Proportional to 73.66, 101.69 and 50.35

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Solution

The fourth proportional to 73.66, 101.69 and 50.35 is: 69.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.66 : 101.69 = 50.35 : x
  2. Step 2: Convert to fraction form
    73.66/101.69 = 50.35/x
  3. Step 3: Cross multiply
    73.66x = 101.69 × 50.35
  4. Step 4: Simplify right side
    73.66x = 5,120.09
  5. Step 5: Solve for x
    x = 5,120.09/73.66
  6. Step 6: Final answer
    x = 69.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.