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Finding the Fourth Proportional to 1,023.44, 1,535.25 and 293

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Solution

The fourth proportional to 1,023.44, 1,535.25 and 293 is: 439.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023.44 : 1,535.25 = 293 : x
  2. Step 2: Convert to fraction form
    1,023.44/1,535.25 = 293/x
  3. Step 3: Cross multiply
    1,023.44x = 1,535.25 × 293
  4. Step 4: Simplify right side
    1,023.44x = 449,828.25
  5. Step 5: Solve for x
    x = 449,828.25/1,023.44
  6. Step 6: Final answer
    x = 439.53

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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.