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Finding the Fourth Proportional to 881.04, 1,322.16 and 470.47

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Solution

The fourth proportional to 881.04, 1,322.16 and 470.47 is: 706.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    881.04 : 1,322.16 = 470.47 : x
  2. Step 2: Convert to fraction form
    881.04/1,322.16 = 470.47/x
  3. Step 3: Cross multiply
    881.04x = 1,322.16 × 470.47
  4. Step 4: Simplify right side
    881.04x = 622,034.02
  5. Step 5: Solve for x
    x = 622,034.02/881.04
  6. Step 6: Final answer
    x = 706.02

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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.