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Finding the Fourth Proportional to 263.34, 363.33 and 170.09

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Solution

The fourth proportional to 263.34, 363.33 and 170.09 is: 234.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.34 : 363.33 = 170.09 : x
  2. Step 2: Convert to fraction form
    263.34/363.33 = 170.09/x
  3. Step 3: Cross multiply
    263.34x = 363.33 × 170.09
  4. Step 4: Simplify right side
    263.34x = 61,798.32
  5. Step 5: Solve for x
    x = 61,798.32/263.34
  6. Step 6: Final answer
    x = 234.67

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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.