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Finding the Fourth Proportional to 543.55, 750.17 and 333.68

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Solution

The fourth proportional to 543.55, 750.17 and 333.68 is: 460.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    543.55 : 750.17 = 333.68 : x
  2. Step 2: Convert to fraction form
    543.55/750.17 = 333.68/x
  3. Step 3: Cross multiply
    543.55x = 750.17 × 333.68
  4. Step 4: Simplify right side
    543.55x = 250,316.73
  5. Step 5: Solve for x
    x = 250,316.73/543.55
  6. Step 6: Final answer
    x = 460.52

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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.