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Finding the Fourth Proportional to 896.34, 1,344.31 and 246.93

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Solution

The fourth proportional to 896.34, 1,344.31 and 246.93 is: 370.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    896.34 : 1,344.31 = 246.93 : x
  2. Step 2: Convert to fraction form
    896.34/1,344.31 = 246.93/x
  3. Step 3: Cross multiply
    896.34x = 1,344.31 × 246.93
  4. Step 4: Simplify right side
    896.34x = 331,950.47
  5. Step 5: Solve for x
    x = 331,950.47/896.34
  6. Step 6: Final answer
    x = 370.34

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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.