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Finding the Fourth Proportional to 508.43, 701.15 and 350.81

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Solution

The fourth proportional to 508.43, 701.15 and 350.81 is: 483.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    508.43 : 701.15 = 350.81 : x
  2. Step 2: Convert to fraction form
    508.43/701.15 = 350.81/x
  3. Step 3: Cross multiply
    508.43x = 701.15 × 350.81
  4. Step 4: Simplify right side
    508.43x = 245,965.17
  5. Step 5: Solve for x
    x = 245,965.17/508.43
  6. Step 6: Final answer
    x = 483.78

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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.