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Finding the Fourth Proportional to 200.37, 299.86 and 123.28

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Solution

The fourth proportional to 200.37, 299.86 and 123.28 is: 184.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.37 : 299.86 = 123.28 : x
  2. Step 2: Convert to fraction form
    200.37/299.86 = 123.28/x
  3. Step 3: Cross multiply
    200.37x = 299.86 × 123.28
  4. Step 4: Simplify right side
    200.37x = 36,966.74
  5. Step 5: Solve for x
    x = 36,966.74/200.37
  6. Step 6: Final answer
    x = 184.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.