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Finding the Fourth Proportional to 250.24, 373.91 and 201.64

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Solution

The fourth proportional to 250.24, 373.91 and 201.64 is: 301.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.24 : 373.91 = 201.64 : x
  2. Step 2: Convert to fraction form
    250.24/373.91 = 201.64/x
  3. Step 3: Cross multiply
    250.24x = 373.91 × 201.64
  4. Step 4: Simplify right side
    250.24x = 75,395.21
  5. Step 5: Solve for x
    x = 75,395.21/250.24
  6. Step 6: Final answer
    x = 301.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.