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Finding the Fourth Proportional to 294.76, 441.87 and 102.25

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Solution

The fourth proportional to 294.76, 441.87 and 102.25 is: 153.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.76 : 441.87 = 102.25 : x
  2. Step 2: Convert to fraction form
    294.76/441.87 = 102.25/x
  3. Step 3: Cross multiply
    294.76x = 441.87 × 102.25
  4. Step 4: Simplify right side
    294.76x = 45,181.21
  5. Step 5: Solve for x
    x = 45,181.21/294.76
  6. Step 6: Final answer
    x = 153.28

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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.