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Finding the Fourth Proportional to 510.17, 763.97 and 363.69

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Solution

The fourth proportional to 510.17, 763.97 and 363.69 is: 544.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    510.17 : 763.97 = 363.69 : x
  2. Step 2: Convert to fraction form
    510.17/763.97 = 363.69/x
  3. Step 3: Cross multiply
    510.17x = 763.97 × 363.69
  4. Step 4: Simplify right side
    510.17x = 277,846.43
  5. Step 5: Solve for x
    x = 277,846.43/510.17
  6. Step 6: Final answer
    x = 544.62

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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.