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Finding the Fourth Proportional to 884.51, 1,325.84 and 299.07

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Solution

The fourth proportional to 884.51, 1,325.84 and 299.07 is: 448.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.51 : 1,325.84 = 299.07 : x
  2. Step 2: Convert to fraction form
    884.51/1,325.84 = 299.07/x
  3. Step 3: Cross multiply
    884.51x = 1,325.84 × 299.07
  4. Step 4: Simplify right side
    884.51x = 396,518.97
  5. Step 5: Solve for x
    x = 396,518.97/884.51
  6. Step 6: Final answer
    x = 448.29

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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.