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Finding the Fourth Proportional to 882.04, 1,217.64 and 550.72

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Solution

The fourth proportional to 882.04, 1,217.64 and 550.72 is: 760.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.04 : 1,217.64 = 550.72 : x
  2. Step 2: Convert to fraction form
    882.04/1,217.64 = 550.72/x
  3. Step 3: Cross multiply
    882.04x = 1,217.64 × 550.72
  4. Step 4: Simplify right side
    882.04x = 670,578.70
  5. Step 5: Solve for x
    x = 670,578.70/882.04
  6. Step 6: Final answer
    x = 760.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.