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Finding the Fourth Proportional to 569.96, 855.27 and 223.53

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Solution

The fourth proportional to 569.96, 855.27 and 223.53 is: 335.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.96 : 855.27 = 223.53 : x
  2. Step 2: Convert to fraction form
    569.96/855.27 = 223.53/x
  3. Step 3: Cross multiply
    569.96x = 855.27 × 223.53
  4. Step 4: Simplify right side
    569.96x = 191,178.50
  5. Step 5: Solve for x
    x = 191,178.50/569.96
  6. Step 6: Final answer
    x = 335.42

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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.