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Finding the Fourth Proportional to 375.39, 562.77 and 201.96

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Solution

The fourth proportional to 375.39, 562.77 and 201.96 is: 302.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.39 : 562.77 = 201.96 : x
  2. Step 2: Convert to fraction form
    375.39/562.77 = 201.96/x
  3. Step 3: Cross multiply
    375.39x = 562.77 × 201.96
  4. Step 4: Simplify right side
    375.39x = 113,657.03
  5. Step 5: Solve for x
    x = 113,657.03/375.39
  6. Step 6: Final answer
    x = 302.77

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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.