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Finding the Fourth Proportional to 325.29, 448.90 and 201.03

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Solution

The fourth proportional to 325.29, 448.90 and 201.03 is: 277.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.29 : 448.90 = 201.03 : x
  2. Step 2: Convert to fraction form
    325.29/448.90 = 201.03/x
  3. Step 3: Cross multiply
    325.29x = 448.90 × 201.03
  4. Step 4: Simplify right side
    325.29x = 90,242.37
  5. Step 5: Solve for x
    x = 90,242.37/325.29
  6. Step 6: Final answer
    x = 277.42

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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.