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Finding the Fourth Proportional to 579.29, 872.94 and 524.61

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Solution

The fourth proportional to 579.29, 872.94 and 524.61 is: 790.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    579.29 : 872.94 = 524.61 : x
  2. Step 2: Convert to fraction form
    579.29/872.94 = 524.61/x
  3. Step 3: Cross multiply
    579.29x = 872.94 × 524.61
  4. Step 4: Simplify right side
    579.29x = 457,953.05
  5. Step 5: Solve for x
    x = 457,953.05/579.29
  6. Step 6: Final answer
    x = 790.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.