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Finding the Fourth Proportional to 483.58, 724.38 and 298.24

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Solution

The fourth proportional to 483.58, 724.38 and 298.24 is: 446.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.58 : 724.38 = 298.24 : x
  2. Step 2: Convert to fraction form
    483.58/724.38 = 298.24/x
  3. Step 3: Cross multiply
    483.58x = 724.38 × 298.24
  4. Step 4: Simplify right side
    483.58x = 216,039.09
  5. Step 5: Solve for x
    x = 216,039.09/483.58
  6. Step 6: Final answer
    x = 446.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.