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Finding the Fourth Proportional to 629.50, 943.38 and 352

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Solution

The fourth proportional to 629.50, 943.38 and 352 is: 527.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.50 : 943.38 = 352 : x
  2. Step 2: Convert to fraction form
    629.50/943.38 = 352/x
  3. Step 3: Cross multiply
    629.50x = 943.38 × 352
  4. Step 4: Simplify right side
    629.50x = 332,069.76
  5. Step 5: Solve for x
    x = 332,069.76/629.50
  6. Step 6: Final answer
    x = 527.51

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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.