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Finding the Fourth Proportional to 569.62, 850.09 and 555.04

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Solution

The fourth proportional to 569.62, 850.09 and 555.04 is: 828.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.62 : 850.09 = 555.04 : x
  2. Step 2: Convert to fraction form
    569.62/850.09 = 555.04/x
  3. Step 3: Cross multiply
    569.62x = 850.09 × 555.04
  4. Step 4: Simplify right side
    569.62x = 471,833.95
  5. Step 5: Solve for x
    x = 471,833.95/569.62
  6. Step 6: Final answer
    x = 828.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.