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Finding the Fourth Proportional to 532.56, 734.88 and 296.49

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Solution

The fourth proportional to 532.56, 734.88 and 296.49 is: 409.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.56 : 734.88 = 296.49 : x
  2. Step 2: Convert to fraction form
    532.56/734.88 = 296.49/x
  3. Step 3: Cross multiply
    532.56x = 734.88 × 296.49
  4. Step 4: Simplify right side
    532.56x = 217,884.57
  5. Step 5: Solve for x
    x = 217,884.57/532.56
  6. Step 6: Final answer
    x = 409.13

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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.