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Finding the Fourth Proportional to 233.06, 320.66 and 201.87

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Solution

The fourth proportional to 233.06, 320.66 and 201.87 is: 277.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.06 : 320.66 = 201.87 : x
  2. Step 2: Convert to fraction form
    233.06/320.66 = 201.87/x
  3. Step 3: Cross multiply
    233.06x = 320.66 × 201.87
  4. Step 4: Simplify right side
    233.06x = 64,730.62
  5. Step 5: Solve for x
    x = 64,730.62/233.06
  6. Step 6: Final answer
    x = 277.75

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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.