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Finding the Fourth Proportional to 628.69, 943.26 and 335.88

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Solution

The fourth proportional to 628.69, 943.26 and 335.88 is: 503.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    628.69 : 943.26 = 335.88 : x
  2. Step 2: Convert to fraction form
    628.69/943.26 = 335.88/x
  3. Step 3: Cross multiply
    628.69x = 943.26 × 335.88
  4. Step 4: Simplify right side
    628.69x = 316,822.17
  5. Step 5: Solve for x
    x = 316,822.17/628.69
  6. Step 6: Final answer
    x = 503.94

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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.