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Finding the Fourth Proportional to 291.08, 436.53 and 96.04

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Solution

The fourth proportional to 291.08, 436.53 and 96.04 is: 144.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    291.08 : 436.53 = 96.04 : x
  2. Step 2: Convert to fraction form
    291.08/436.53 = 96.04/x
  3. Step 3: Cross multiply
    291.08x = 436.53 × 96.04
  4. Step 4: Simplify right side
    291.08x = 41,923.98
  5. Step 5: Solve for x
    x = 41,923.98/291.08
  6. Step 6: Final answer
    x = 144.03

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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.