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Finding the Fourth Proportional to 264.39, 365.19 and 233.40

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Solution

The fourth proportional to 264.39, 365.19 and 233.40 is: 322.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.39 : 365.19 = 233.40 : x
  2. Step 2: Convert to fraction form
    264.39/365.19 = 233.40/x
  3. Step 3: Cross multiply
    264.39x = 365.19 × 233.40
  4. Step 4: Simplify right side
    264.39x = 85,235.35
  5. Step 5: Solve for x
    x = 85,235.35/264.39
  6. Step 6: Final answer
    x = 322.38

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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.