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Finding the Fourth Proportional to 669.42, 1,004.18 and 182.46

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Solution

The fourth proportional to 669.42, 1,004.18 and 182.46 is: 273.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    669.42 : 1,004.18 = 182.46 : x
  2. Step 2: Convert to fraction form
    669.42/1,004.18 = 182.46/x
  3. Step 3: Cross multiply
    669.42x = 1,004.18 × 182.46
  4. Step 4: Simplify right side
    669.42x = 183,225.54
  5. Step 5: Solve for x
    x = 183,225.54/669.42
  6. Step 6: Final answer
    x = 273.71

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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.