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Finding the Fourth Proportional to 575.69, 862.52 and 300.92

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Solution

The fourth proportional to 575.69, 862.52 and 300.92 is: 450.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.69 : 862.52 = 300.92 : x
  2. Step 2: Convert to fraction form
    575.69/862.52 = 300.92/x
  3. Step 3: Cross multiply
    575.69x = 862.52 × 300.92
  4. Step 4: Simplify right side
    575.69x = 259,543.70
  5. Step 5: Solve for x
    x = 259,543.70/575.69
  6. Step 6: Final answer
    x = 450.84

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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.