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Finding the Fourth Proportional to 532.06, 734.26 and 299.18

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Solution

The fourth proportional to 532.06, 734.26 and 299.18 is: 412.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.06 : 734.26 = 299.18 : x
  2. Step 2: Convert to fraction form
    532.06/734.26 = 299.18/x
  3. Step 3: Cross multiply
    532.06x = 734.26 × 299.18
  4. Step 4: Simplify right side
    532.06x = 219,675.91
  5. Step 5: Solve for x
    x = 219,675.91/532.06
  6. Step 6: Final answer
    x = 412.88

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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.