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Finding the Fourth Proportional to 569.46, 854.64 and 326.10

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Solution

The fourth proportional to 569.46, 854.64 and 326.10 is: 489.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.46 : 854.64 = 326.10 : x
  2. Step 2: Convert to fraction form
    569.46/854.64 = 326.10/x
  3. Step 3: Cross multiply
    569.46x = 854.64 × 326.10
  4. Step 4: Simplify right side
    569.46x = 278,698.10
  5. Step 5: Solve for x
    x = 278,698.10/569.46
  6. Step 6: Final answer
    x = 489.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.