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Finding the Fourth Proportional to 534.65, 737.82 and 298.59

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Solution

The fourth proportional to 534.65, 737.82 and 298.59 is: 412.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.65 : 737.82 = 298.59 : x
  2. Step 2: Convert to fraction form
    534.65/737.82 = 298.59/x
  3. Step 3: Cross multiply
    534.65x = 737.82 × 298.59
  4. Step 4: Simplify right side
    534.65x = 220,305.67
  5. Step 5: Solve for x
    x = 220,305.67/534.65
  6. Step 6: Final answer
    x = 412.06

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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.