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Finding the Fourth Proportional to 352.65, 528.02 and 294.44

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Solution

The fourth proportional to 352.65, 528.02 and 294.44 is: 440.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.65 : 528.02 = 294.44 : x
  2. Step 2: Convert to fraction form
    352.65/528.02 = 294.44/x
  3. Step 3: Cross multiply
    352.65x = 528.02 × 294.44
  4. Step 4: Simplify right side
    352.65x = 155,467.20
  5. Step 5: Solve for x
    x = 155,467.20/352.65
  6. Step 6: Final answer
    x = 440.85

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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.