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Finding the Fourth Proportional to 62.03, 92.91 and 50.57

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Solution

The fourth proportional to 62.03, 92.91 and 50.57 is: 75.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.03 : 92.91 = 50.57 : x
  2. Step 2: Convert to fraction form
    62.03/92.91 = 50.57/x
  3. Step 3: Cross multiply
    62.03x = 92.91 × 50.57
  4. Step 4: Simplify right side
    62.03x = 4,699.05
  5. Step 5: Solve for x
    x = 4,699.05/62.03
  6. Step 6: Final answer
    x = 75.75

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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.