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Finding the Fourth Proportional to 532.13, 734.34 and 299.25

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Solution

The fourth proportional to 532.13, 734.34 and 299.25 is: 412.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.13 : 734.34 = 299.25 : x
  2. Step 2: Convert to fraction form
    532.13/734.34 = 299.25/x
  3. Step 3: Cross multiply
    532.13x = 734.34 × 299.25
  4. Step 4: Simplify right side
    532.13x = 219,751.25
  5. Step 5: Solve for x
    x = 219,751.25/532.13
  6. Step 6: Final answer
    x = 412.97

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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.