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Finding the Fourth Proportional to 531.57, 733.48 and 335.35

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Solution

The fourth proportional to 531.57, 733.48 and 335.35 is: 462.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.57 : 733.48 = 335.35 : x
  2. Step 2: Convert to fraction form
    531.57/733.48 = 335.35/x
  3. Step 3: Cross multiply
    531.57x = 733.48 × 335.35
  4. Step 4: Simplify right side
    531.57x = 245,972.52
  5. Step 5: Solve for x
    x = 245,972.52/531.57
  6. Step 6: Final answer
    x = 462.73

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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.