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Finding the Fourth Proportional to 575.65, 863.84 and 301.94

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Solution

The fourth proportional to 575.65, 863.84 and 301.94 is: 453.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.65 : 863.84 = 301.94 : x
  2. Step 2: Convert to fraction form
    575.65/863.84 = 301.94/x
  3. Step 3: Cross multiply
    575.65x = 863.84 × 301.94
  4. Step 4: Simplify right side
    575.65x = 260,827.85
  5. Step 5: Solve for x
    x = 260,827.85/575.65
  6. Step 6: Final answer
    x = 453.10

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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.