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Finding the Fourth Proportional to 576.97, 868.56 and 526.75

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Solution

The fourth proportional to 576.97, 868.56 and 526.75 is: 792.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.97 : 868.56 = 526.75 : x
  2. Step 2: Convert to fraction form
    576.97/868.56 = 526.75/x
  3. Step 3: Cross multiply
    576.97x = 868.56 × 526.75
  4. Step 4: Simplify right side
    576.97x = 457,511.81
  5. Step 5: Solve for x
    x = 457,511.81/576.97
  6. Step 6: Final answer
    x = 792.96

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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.