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Finding the Fourth Proportional to 804.68, 1,207.04 and 227.60

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Solution

The fourth proportional to 804.68, 1,207.04 and 227.60 is: 341.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    804.68 : 1,207.04 = 227.60 : x
  2. Step 2: Convert to fraction form
    804.68/1,207.04 = 227.60/x
  3. Step 3: Cross multiply
    804.68x = 1,207.04 × 227.60
  4. Step 4: Simplify right side
    804.68x = 274,722.30
  5. Step 5: Solve for x
    x = 274,722.30/804.68
  6. Step 6: Final answer
    x = 341.41

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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.