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Finding the Fourth Proportional to 587.08, 881.84 and 449.65

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Solution

The fourth proportional to 587.08, 881.84 and 449.65 is: 675.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.08 : 881.84 = 449.65 : x
  2. Step 2: Convert to fraction form
    587.08/881.84 = 449.65/x
  3. Step 3: Cross multiply
    587.08x = 881.84 × 449.65
  4. Step 4: Simplify right side
    587.08x = 396,519.36
  5. Step 5: Solve for x
    x = 396,519.36/587.08
  6. Step 6: Final answer
    x = 675.41

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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.