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Finding the Fourth Proportional to 300.55, 452.59 and 262.48

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Solution

The fourth proportional to 300.55, 452.59 and 262.48 is: 395.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    300.55 : 452.59 = 262.48 : x
  2. Step 2: Convert to fraction form
    300.55/452.59 = 262.48/x
  3. Step 3: Cross multiply
    300.55x = 452.59 × 262.48
  4. Step 4: Simplify right side
    300.55x = 118,795.82
  5. Step 5: Solve for x
    x = 118,795.82/300.55
  6. Step 6: Final answer
    x = 395.26

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.