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Finding the Fourth Proportional to 475.44, 713.25 and 201.53

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Solution

The fourth proportional to 475.44, 713.25 and 201.53 is: 302.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.44 : 713.25 = 201.53 : x
  2. Step 2: Convert to fraction form
    475.44/713.25 = 201.53/x
  3. Step 3: Cross multiply
    475.44x = 713.25 × 201.53
  4. Step 4: Simplify right side
    475.44x = 143,737.90
  5. Step 5: Solve for x
    x = 143,737.90/475.44
  6. Step 6: Final answer
    x = 302.33

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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.