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Finding the Fourth Proportional to 531.70, 733.86 and 335.48

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Solution

The fourth proportional to 531.70, 733.86 and 335.48 is: 463.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.70 : 733.86 = 335.48 : x
  2. Step 2: Convert to fraction form
    531.70/733.86 = 335.48/x
  3. Step 3: Cross multiply
    531.70x = 733.86 × 335.48
  4. Step 4: Simplify right side
    531.70x = 246,191.68
  5. Step 5: Solve for x
    x = 246,191.68/531.70
  6. Step 6: Final answer
    x = 463.03

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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.