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Finding the Fourth Proportional to 233.51, 322.25 and 146.16

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Solution

The fourth proportional to 233.51, 322.25 and 146.16 is: 201.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.51 : 322.25 = 146.16 : x
  2. Step 2: Convert to fraction form
    233.51/322.25 = 146.16/x
  3. Step 3: Cross multiply
    233.51x = 322.25 × 146.16
  4. Step 4: Simplify right side
    233.51x = 47,099.33
  5. Step 5: Solve for x
    x = 47,099.33/233.51
  6. Step 6: Final answer
    x = 201.71

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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.