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Finding the Fourth Proportional to 452.68, 679.26 and 270.68

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Solution

The fourth proportional to 452.68, 679.26 and 270.68 is: 406.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.68 : 679.26 = 270.68 : x
  2. Step 2: Convert to fraction form
    452.68/679.26 = 270.68/x
  3. Step 3: Cross multiply
    452.68x = 679.26 × 270.68
  4. Step 4: Simplify right side
    452.68x = 183,862.10
  5. Step 5: Solve for x
    x = 183,862.10/452.68
  6. Step 6: Final answer
    x = 406.16

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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.