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Finding the Fourth Proportional to 569.03, 785.21 and 347.94

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Solution

The fourth proportional to 569.03, 785.21 and 347.94 is: 480.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.03 : 785.21 = 347.94 : x
  2. Step 2: Convert to fraction form
    569.03/785.21 = 347.94/x
  3. Step 3: Cross multiply
    569.03x = 785.21 × 347.94
  4. Step 4: Simplify right side
    569.03x = 273,204.23
  5. Step 5: Solve for x
    x = 273,204.23/569.03
  6. Step 6: Final answer
    x = 480.13

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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.