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Finding the Fourth Proportional to 882.86, 1,323.48 and 449.51

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Solution

The fourth proportional to 882.86, 1,323.48 and 449.51 is: 673.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.86 : 1,323.48 = 449.51 : x
  2. Step 2: Convert to fraction form
    882.86/1,323.48 = 449.51/x
  3. Step 3: Cross multiply
    882.86x = 1,323.48 × 449.51
  4. Step 4: Simplify right side
    882.86x = 594,917.49
  5. Step 5: Solve for x
    x = 594,917.49/882.86
  6. Step 6: Final answer
    x = 673.85

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Double scale
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1.5x scale

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.