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Finding the Fourth Proportional to 534.35, 737.45 and 298.34

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Solution

The fourth proportional to 534.35, 737.45 and 298.34 is: 411.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.35 : 737.45 = 298.34 : x
  2. Step 2: Convert to fraction form
    534.35/737.45 = 298.34/x
  3. Step 3: Cross multiply
    534.35x = 737.45 × 298.34
  4. Step 4: Simplify right side
    534.35x = 220,005.65
  5. Step 5: Solve for x
    x = 220,005.65/534.35
  6. Step 6: Final answer
    x = 411.73

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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.