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Finding the Fourth Proportional to 301.69, 452.43 and 271.57

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Solution

The fourth proportional to 301.69, 452.43 and 271.57 is: 407.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.69 : 452.43 = 271.57 : x
  2. Step 2: Convert to fraction form
    301.69/452.43 = 271.57/x
  3. Step 3: Cross multiply
    301.69x = 452.43 × 271.57
  4. Step 4: Simplify right side
    301.69x = 122,866.42
  5. Step 5: Solve for x
    x = 122,866.42/301.69
  6. Step 6: Final answer
    x = 407.26

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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.