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Finding the Fourth Proportional to 883.38, 1,325.79 and 370.74

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Solution

The fourth proportional to 883.38, 1,325.79 and 370.74 is: 556.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.38 : 1,325.79 = 370.74 : x
  2. Step 2: Convert to fraction form
    883.38/1,325.79 = 370.74/x
  3. Step 3: Cross multiply
    883.38x = 1,325.79 × 370.74
  4. Step 4: Simplify right side
    883.38x = 491,523.38
  5. Step 5: Solve for x
    x = 491,523.38/883.38
  6. Step 6: Final answer
    x = 556.41

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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.