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Finding the Fourth Proportional to 576.54, 859.94 and 559.24

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Solution

The fourth proportional to 576.54, 859.94 and 559.24 is: 834.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.54 : 859.94 = 559.24 : x
  2. Step 2: Convert to fraction form
    576.54/859.94 = 559.24/x
  3. Step 3: Cross multiply
    576.54x = 859.94 × 559.24
  4. Step 4: Simplify right side
    576.54x = 480,916.39
  5. Step 5: Solve for x
    x = 480,916.39/576.54
  6. Step 6: Final answer
    x = 834.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.