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Finding the Fourth Proportional to 531.71, 734.09 and 335.51

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Solution

The fourth proportional to 531.71, 734.09 and 335.51 is: 463.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.71 : 734.09 = 335.51 : x
  2. Step 2: Convert to fraction form
    531.71/734.09 = 335.51/x
  3. Step 3: Cross multiply
    531.71x = 734.09 × 335.51
  4. Step 4: Simplify right side
    531.71x = 246,294.54
  5. Step 5: Solve for x
    x = 246,294.54/531.71
  6. Step 6: Final answer
    x = 463.21

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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.