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Finding the Fourth Proportional to 543.89, 814.76 and 466.85

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Solution

The fourth proportional to 543.89, 814.76 and 466.85 is: 699.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    543.89 : 814.76 = 466.85 : x
  2. Step 2: Convert to fraction form
    543.89/814.76 = 466.85/x
  3. Step 3: Cross multiply
    543.89x = 814.76 × 466.85
  4. Step 4: Simplify right side
    543.89x = 380,368.37
  5. Step 5: Solve for x
    x = 380,368.37/543.89
  6. Step 6: Final answer
    x = 699.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.