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Finding the Fourth Proportional to 587.73, 809.85 and 546.72

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Solution

The fourth proportional to 587.73, 809.85 and 546.72 is: 753.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.73 : 809.85 = 546.72 : x
  2. Step 2: Convert to fraction form
    587.73/809.85 = 546.72/x
  3. Step 3: Cross multiply
    587.73x = 809.85 × 546.72
  4. Step 4: Simplify right side
    587.73x = 442,761.19
  5. Step 5: Solve for x
    x = 442,761.19/587.73
  6. Step 6: Final answer
    x = 753.34

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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.