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Finding the Fourth Proportional to 567.22, 850.28 and 201.81

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Solution

The fourth proportional to 567.22, 850.28 and 201.81 is: 302.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.22 : 850.28 = 201.81 : x
  2. Step 2: Convert to fraction form
    567.22/850.28 = 201.81/x
  3. Step 3: Cross multiply
    567.22x = 850.28 × 201.81
  4. Step 4: Simplify right side
    567.22x = 171,595.01
  5. Step 5: Solve for x
    x = 171,595.01/567.22
  6. Step 6: Final answer
    x = 302.52

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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.