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Finding the Fourth Proportional to 569.00, 785.42 and 394.04

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Solution

The fourth proportional to 569.00, 785.42 and 394.04 is: 543.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.00 : 785.42 = 394.04 : x
  2. Step 2: Convert to fraction form
    569.00/785.42 = 394.04/x
  3. Step 3: Cross multiply
    569.00x = 785.42 × 394.04
  4. Step 4: Simplify right side
    569.00x = 309,481.00
  5. Step 5: Solve for x
    x = 309,481.00/569.00
  6. Step 6: Final answer
    x = 543.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.