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Finding the Fourth Proportional to 510.24, 704.26 and 323.82

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Solution

The fourth proportional to 510.24, 704.26 and 323.82 is: 446.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    510.24 : 704.26 = 323.82 : x
  2. Step 2: Convert to fraction form
    510.24/704.26 = 323.82/x
  3. Step 3: Cross multiply
    510.24x = 704.26 × 323.82
  4. Step 4: Simplify right side
    510.24x = 228,053.47
  5. Step 5: Solve for x
    x = 228,053.47/510.24
  6. Step 6: Final answer
    x = 446.95

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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.