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Finding the Fourth Proportional to 508.43, 701.96 and 351

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Solution

The fourth proportional to 508.43, 701.96 and 351 is: 484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    508.43 : 701.96 = 351 : x
  2. Step 2: Convert to fraction form
    508.43/701.96 = 351/x
  3. Step 3: Cross multiply
    508.43x = 701.96 × 351
  4. Step 4: Simplify right side
    508.43x = 246,386.21
  5. Step 5: Solve for x
    x = 246,386.21/508.43
  6. Step 6: Final answer
    x = 484.60

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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.