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Finding the Fourth Proportional to 543.33, 749.47 and 333.43

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Solution

The fourth proportional to 543.33, 749.47 and 333.43 is: 459.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    543.33 : 749.47 = 333.43 : x
  2. Step 2: Convert to fraction form
    543.33/749.47 = 333.43/x
  3. Step 3: Cross multiply
    543.33x = 749.47 × 333.43
  4. Step 4: Simplify right side
    543.33x = 249,893.35
  5. Step 5: Solve for x
    x = 249,893.35/543.33
  6. Step 6: Final answer
    x = 459.93

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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.