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Finding the Fourth Proportional to 532.43, 734.71 and 296.36

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Solution

The fourth proportional to 532.43, 734.71 and 296.36 is: 408.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.43 : 734.71 = 296.36 : x
  2. Step 2: Convert to fraction form
    532.43/734.71 = 296.36/x
  3. Step 3: Cross multiply
    532.43x = 734.71 × 296.36
  4. Step 4: Simplify right side
    532.43x = 217,734.24
  5. Step 5: Solve for x
    x = 217,734.24/532.43
  6. Step 6: Final answer
    x = 408.95

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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.