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Finding the Fourth Proportional to 569.62, 854.43 and 352.54

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Solution

The fourth proportional to 569.62, 854.43 and 352.54 is: 528.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.62 : 854.43 = 352.54 : x
  2. Step 2: Convert to fraction form
    569.62/854.43 = 352.54/x
  3. Step 3: Cross multiply
    569.62x = 854.43 × 352.54
  4. Step 4: Simplify right side
    569.62x = 301,220.75
  5. Step 5: Solve for x
    x = 301,220.75/569.62
  6. Step 6: Final answer
    x = 528.81

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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.