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Finding the Fourth Proportional to 199.34, 297.59 and 168.58

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Solution

The fourth proportional to 199.34, 297.59 and 168.58 is: 251.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    199.34 : 297.59 = 168.58 : x
  2. Step 2: Convert to fraction form
    199.34/297.59 = 168.58/x
  3. Step 3: Cross multiply
    199.34x = 297.59 × 168.58
  4. Step 4: Simplify right side
    199.34x = 50,167.72
  5. Step 5: Solve for x
    x = 50,167.72/199.34
  6. Step 6: Final answer
    x = 251.67

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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.