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Finding the Fourth Proportional to 567.76, 850.42 and 481.50

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Solution

The fourth proportional to 567.76, 850.42 and 481.50 is: 721.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.76 : 850.42 = 481.50 : x
  2. Step 2: Convert to fraction form
    567.76/850.42 = 481.50/x
  3. Step 3: Cross multiply
    567.76x = 850.42 × 481.50
  4. Step 4: Simplify right side
    567.76x = 409,477.23
  5. Step 5: Solve for x
    x = 409,477.23/567.76
  6. Step 6: Final answer
    x = 721.22

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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.