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Finding the Fourth Proportional to 316.24, 436.52 and 233.44

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Solution

The fourth proportional to 316.24, 436.52 and 233.44 is: 322.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    316.24 : 436.52 = 233.44 : x
  2. Step 2: Convert to fraction form
    316.24/436.52 = 233.44/x
  3. Step 3: Cross multiply
    316.24x = 436.52 × 233.44
  4. Step 4: Simplify right side
    316.24x = 101,901.23
  5. Step 5: Solve for x
    x = 101,901.23/316.24
  6. Step 6: Final answer
    x = 322.23

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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.