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Finding the Fourth Proportional to 569.54, 852.84 and 517.61

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Solution

The fourth proportional to 569.54, 852.84 and 517.61 is: 775.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.54 : 852.84 = 517.61 : x
  2. Step 2: Convert to fraction form
    569.54/852.84 = 517.61/x
  3. Step 3: Cross multiply
    569.54x = 852.84 × 517.61
  4. Step 4: Simplify right side
    569.54x = 441,434.25
  5. Step 5: Solve for x
    x = 441,434.25/569.54
  6. Step 6: Final answer
    x = 775.08

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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.