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Finding the Fourth Proportional to 284.48, 425.76 and 232.96

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Solution

The fourth proportional to 284.48, 425.76 and 232.96 is: 348.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    284.48 : 425.76 = 232.96 : x
  2. Step 2: Convert to fraction form
    284.48/425.76 = 232.96/x
  3. Step 3: Cross multiply
    284.48x = 425.76 × 232.96
  4. Step 4: Simplify right side
    284.48x = 99,185.05
  5. Step 5: Solve for x
    x = 99,185.05/284.48
  6. Step 6: Final answer
    x = 348.65

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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.