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Finding the Fourth Proportional to 200.33, 298.76 and 180.89

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Solution

The fourth proportional to 200.33, 298.76 and 180.89 is: 269.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.33 : 298.76 = 180.89 : x
  2. Step 2: Convert to fraction form
    200.33/298.76 = 180.89/x
  3. Step 3: Cross multiply
    200.33x = 298.76 × 180.89
  4. Step 4: Simplify right side
    200.33x = 54,041.65
  5. Step 5: Solve for x
    x = 54,041.65/200.33
  6. Step 6: Final answer
    x = 269.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.