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Finding the Fourth Proportional to 291.14, 436.72 and 246.04

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Solution

The fourth proportional to 291.14, 436.72 and 246.04 is: 369.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    291.14 : 436.72 = 246.04 : x
  2. Step 2: Convert to fraction form
    291.14/436.72 = 246.04/x
  3. Step 3: Cross multiply
    291.14x = 436.72 × 246.04
  4. Step 4: Simplify right side
    291.14x = 107,448.65
  5. Step 5: Solve for x
    x = 107,448.65/291.14
  6. Step 6: Final answer
    x = 369.06

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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.