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Finding the Fourth Proportional to 435.30, 652.92 and 298.62

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Solution

The fourth proportional to 435.30, 652.92 and 298.62 is: 447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.30 : 652.92 = 298.62 : x
  2. Step 2: Convert to fraction form
    435.30/652.92 = 298.62/x
  3. Step 3: Cross multiply
    435.30x = 652.92 × 298.62
  4. Step 4: Simplify right side
    435.30x = 194,974.97
  5. Step 5: Solve for x
    x = 194,974.97/435.30
  6. Step 6: Final answer
    x = 447.91

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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.