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Finding the Fourth Proportional to 576.52, 794.61 and 549.18

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Solution

The fourth proportional to 576.52, 794.61 and 549.18 is: 756.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.52 : 794.61 = 549.18 : x
  2. Step 2: Convert to fraction form
    576.52/794.61 = 549.18/x
  3. Step 3: Cross multiply
    576.52x = 794.61 × 549.18
  4. Step 4: Simplify right side
    576.52x = 436,383.92
  5. Step 5: Solve for x
    x = 436,383.92/576.52
  6. Step 6: Final answer
    x = 756.93

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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.