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Finding the Fourth Proportional to 63.03, 94.50 and 50.83

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Solution

The fourth proportional to 63.03, 94.50 and 50.83 is: 76.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.03 : 94.50 = 50.83 : x
  2. Step 2: Convert to fraction form
    63.03/94.50 = 50.83/x
  3. Step 3: Cross multiply
    63.03x = 94.50 × 50.83
  4. Step 4: Simplify right side
    63.03x = 4,802.79
  5. Step 5: Solve for x
    x = 4,802.79/63.03
  6. Step 6: Final answer
    x = 76.19

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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.