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Finding the Fourth Proportional to 896.88, 1,344.51 and 532.38

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Solution

The fourth proportional to 896.88, 1,344.51 and 532.38 is: 798.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    896.88 : 1,344.51 = 532.38 : x
  2. Step 2: Convert to fraction form
    896.88/1,344.51 = 532.38/x
  3. Step 3: Cross multiply
    896.88x = 1,344.51 × 532.38
  4. Step 4: Simplify right side
    896.88x = 715,790.23
  5. Step 5: Solve for x
    x = 715,790.23/896.88
  6. Step 6: Final answer
    x = 798.09

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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.