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Finding the Fourth Proportional to 291.06, 435.24 and 236.52

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Solution

The fourth proportional to 291.06, 435.24 and 236.52 is: 353.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    291.06 : 435.24 = 236.52 : x
  2. Step 2: Convert to fraction form
    291.06/435.24 = 236.52/x
  3. Step 3: Cross multiply
    291.06x = 435.24 × 236.52
  4. Step 4: Simplify right side
    291.06x = 102,942.96
  5. Step 5: Solve for x
    x = 102,942.96/291.06
  6. Step 6: Final answer
    x = 353.68

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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.