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Finding the Fourth Proportional to 576.51, 794.25 and 545.73

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Solution

The fourth proportional to 576.51, 794.25 and 545.73 is: 751.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.51 : 794.25 = 545.73 : x
  2. Step 2: Convert to fraction form
    576.51/794.25 = 545.73/x
  3. Step 3: Cross multiply
    576.51x = 794.25 × 545.73
  4. Step 4: Simplify right side
    576.51x = 433,446.05
  5. Step 5: Solve for x
    x = 433,446.05/576.51
  6. Step 6: Final answer
    x = 751.84

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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.