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Finding the Fourth Proportional to 569.26, 854.07 and 203.80

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Solution

The fourth proportional to 569.26, 854.07 and 203.80 is: 305.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.26 : 854.07 = 203.80 : x
  2. Step 2: Convert to fraction form
    569.26/854.07 = 203.80/x
  3. Step 3: Cross multiply
    569.26x = 854.07 × 203.80
  4. Step 4: Simplify right side
    569.26x = 174,059.47
  5. Step 5: Solve for x
    x = 174,059.47/569.26
  6. Step 6: Final answer
    x = 305.76

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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.