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Finding the Fourth Proportional to 569.44, 854.01 and 261.10

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Solution

The fourth proportional to 569.44, 854.01 and 261.10 is: 391.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.44 : 854.01 = 261.10 : x
  2. Step 2: Convert to fraction form
    569.44/854.01 = 261.10/x
  3. Step 3: Cross multiply
    569.44x = 854.01 × 261.10
  4. Step 4: Simplify right side
    569.44x = 222,982.01
  5. Step 5: Solve for x
    x = 222,982.01/569.44
  6. Step 6: Final answer
    x = 391.58

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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.