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Finding the Fourth Proportional to 543.31, 749.67 and 333.52

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Solution

The fourth proportional to 543.31, 749.67 and 333.52 is: 460.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    543.31 : 749.67 = 333.52 : x
  2. Step 2: Convert to fraction form
    543.31/749.67 = 333.52/x
  3. Step 3: Cross multiply
    543.31x = 749.67 × 333.52
  4. Step 4: Simplify right side
    543.31x = 250,029.94
  5. Step 5: Solve for x
    x = 250,029.94/543.31
  6. Step 6: Final answer
    x = 460.20

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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.