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Finding the Fourth Proportional to 205.26, 282.87 and 146.94

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Solution

The fourth proportional to 205.26, 282.87 and 146.94 is: 202.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    205.26 : 282.87 = 146.94 : x
  2. Step 2: Convert to fraction form
    205.26/282.87 = 146.94/x
  3. Step 3: Cross multiply
    205.26x = 282.87 × 146.94
  4. Step 4: Simplify right side
    205.26x = 41,564.92
  5. Step 5: Solve for x
    x = 41,564.92/205.26
  6. Step 6: Final answer
    x = 202.50

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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.