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Finding the Fourth Proportional to 232.37, 320.64 and 167.16

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Solution

The fourth proportional to 232.37, 320.64 and 167.16 is: 230.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.37 : 320.64 = 167.16 : x
  2. Step 2: Convert to fraction form
    232.37/320.64 = 167.16/x
  3. Step 3: Cross multiply
    232.37x = 320.64 × 167.16
  4. Step 4: Simplify right side
    232.37x = 53,598.18
  5. Step 5: Solve for x
    x = 53,598.18/232.37
  6. Step 6: Final answer
    x = 230.66

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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.