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Finding the Fourth Proportional to 284.52, 392.24 and 232

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Solution

The fourth proportional to 284.52, 392.24 and 232 is: 319.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    284.52 : 392.24 = 232 : x
  2. Step 2: Convert to fraction form
    284.52/392.24 = 232/x
  3. Step 3: Cross multiply
    284.52x = 392.24 × 232
  4. Step 4: Simplify right side
    284.52x = 90,999.68
  5. Step 5: Solve for x
    x = 90,999.68/284.52
  6. Step 6: Final answer
    x = 319.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.