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Finding the Fourth Proportional to 356.24, 533.64 and 234.13

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Solution

The fourth proportional to 356.24, 533.64 and 234.13 is: 350.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.24 : 533.64 = 234.13 : x
  2. Step 2: Convert to fraction form
    356.24/533.64 = 234.13/x
  3. Step 3: Cross multiply
    356.24x = 533.64 × 234.13
  4. Step 4: Simplify right side
    356.24x = 124,938.47
  5. Step 5: Solve for x
    x = 124,938.47/356.24
  6. Step 6: Final answer
    x = 350.72

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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.