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Finding the Fourth Proportional to 291.39, 436.01 and 182.67

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Solution

The fourth proportional to 291.39, 436.01 and 182.67 is: 273.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    291.39 : 436.01 = 182.67 : x
  2. Step 2: Convert to fraction form
    291.39/436.01 = 182.67/x
  3. Step 3: Cross multiply
    291.39x = 436.01 × 182.67
  4. Step 4: Simplify right side
    291.39x = 79,645.03
  5. Step 5: Solve for x
    x = 79,645.03/291.39
  6. Step 6: Final answer
    x = 273.33

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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.