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Finding the Fourth Proportional to 532.35, 734.34 and 335.79

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Solution

The fourth proportional to 532.35, 734.34 and 335.79 is: 463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.35 : 734.34 = 335.79 : x
  2. Step 2: Convert to fraction form
    532.35/734.34 = 335.79/x
  3. Step 3: Cross multiply
    532.35x = 734.34 × 335.79
  4. Step 4: Simplify right side
    532.35x = 246,584.03
  5. Step 5: Solve for x
    x = 246,584.03/532.35
  6. Step 6: Final answer
    x = 463.20

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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.