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Finding the Fourth Proportional to 187.37, 279.98 and 163.92

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Solution

The fourth proportional to 187.37, 279.98 and 163.92 is: 244.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    187.37 : 279.98 = 163.92 : x
  2. Step 2: Convert to fraction form
    187.37/279.98 = 163.92/x
  3. Step 3: Cross multiply
    187.37x = 279.98 × 163.92
  4. Step 4: Simplify right side
    187.37x = 45,894.32
  5. Step 5: Solve for x
    x = 45,894.32/187.37
  6. Step 6: Final answer
    x = 244.94

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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.