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Finding the Fourth Proportional to 569.52, 853.56 and 295.74

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Solution

The fourth proportional to 569.52, 853.56 and 295.74 is: 443.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.52 : 853.56 = 295.74 : x
  2. Step 2: Convert to fraction form
    569.52/853.56 = 295.74/x
  3. Step 3: Cross multiply
    569.52x = 853.56 × 295.74
  4. Step 4: Simplify right side
    569.52x = 252,431.83
  5. Step 5: Solve for x
    x = 252,431.83/569.52
  6. Step 6: Final answer
    x = 443.24

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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.