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Finding the Fourth Proportional to 275.82, 412.82 and 152.26

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Solution

The fourth proportional to 275.82, 412.82 and 152.26 is: 227.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    275.82 : 412.82 = 152.26 : x
  2. Step 2: Convert to fraction form
    275.82/412.82 = 152.26/x
  3. Step 3: Cross multiply
    275.82x = 412.82 × 152.26
  4. Step 4: Simplify right side
    275.82x = 62,855.97
  5. Step 5: Solve for x
    x = 62,855.97/275.82
  6. Step 6: Final answer
    x = 227.89

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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.