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Finding the Fourth Proportional to 297.48, 445.71 and 232.46

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Solution

The fourth proportional to 297.48, 445.71 and 232.46 is: 348.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.48 : 445.71 = 232.46 : x
  2. Step 2: Convert to fraction form
    297.48/445.71 = 232.46/x
  3. Step 3: Cross multiply
    297.48x = 445.71 × 232.46
  4. Step 4: Simplify right side
    297.48x = 103,607.52
  5. Step 5: Solve for x
    x = 103,607.52/297.48
  6. Step 6: Final answer
    x = 348.28

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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.