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Finding the Fourth Proportional to 569.04, 783.78 and 436.41

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Solution

The fourth proportional to 569.04, 783.78 and 436.41 is: 601.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.04 : 783.78 = 436.41 : x
  2. Step 2: Convert to fraction form
    569.04/783.78 = 436.41/x
  3. Step 3: Cross multiply
    569.04x = 783.78 × 436.41
  4. Step 4: Simplify right side
    569.04x = 342,049.43
  5. Step 5: Solve for x
    x = 342,049.43/569.04
  6. Step 6: Final answer
    x = 601.10

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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.