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Finding the Fourth Proportional to 534.96, 738.24 and 295.72

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Solution

The fourth proportional to 534.96, 738.24 and 295.72 is: 408.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.96 : 738.24 = 295.72 : x
  2. Step 2: Convert to fraction form
    534.96/738.24 = 295.72/x
  3. Step 3: Cross multiply
    534.96x = 738.24 × 295.72
  4. Step 4: Simplify right side
    534.96x = 218,312.33
  5. Step 5: Solve for x
    x = 218,312.33/534.96
  6. Step 6: Final answer
    x = 408.09

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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.