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Finding the Fourth Proportional to 1,024.28, 1,536.25 and 293.66

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Solution

The fourth proportional to 1,024.28, 1,536.25 and 293.66 is: 440.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.28 : 1,536.25 = 293.66 : x
  2. Step 2: Convert to fraction form
    1,024.28/1,536.25 = 293.66/x
  3. Step 3: Cross multiply
    1,024.28x = 1,536.25 × 293.66
  4. Step 4: Simplify right side
    1,024.28x = 451,135.18
  5. Step 5: Solve for x
    x = 451,135.18/1,024.28
  6. Step 6: Final answer
    x = 440.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.