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Finding the Fourth Proportional to 569.04, 784.26 and 413.52

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Solution

The fourth proportional to 569.04, 784.26 and 413.52 is: 569.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.04 : 784.26 = 413.52 : x
  2. Step 2: Convert to fraction form
    569.04/784.26 = 413.52/x
  3. Step 3: Cross multiply
    569.04x = 784.26 × 413.52
  4. Step 4: Simplify right side
    569.04x = 324,307.20
  5. Step 5: Solve for x
    x = 324,307.20/569.04
  6. Step 6: Final answer
    x = 569.92

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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.