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Finding the Fourth Proportional to 510.73, 704.75 and 314.24

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Solution

The fourth proportional to 510.73, 704.75 and 314.24 is: 433.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    510.73 : 704.75 = 314.24 : x
  2. Step 2: Convert to fraction form
    510.73/704.75 = 314.24/x
  3. Step 3: Cross multiply
    510.73x = 704.75 × 314.24
  4. Step 4: Simplify right side
    510.73x = 221,463.19
  5. Step 5: Solve for x
    x = 221,463.19/510.73
  6. Step 6: Final answer
    x = 433.62

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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.