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Finding the Fourth Proportional to 452.85, 679.27 and 236.85

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Solution

The fourth proportional to 452.85, 679.27 and 236.85 is: 355.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.85 : 679.27 = 236.85 : x
  2. Step 2: Convert to fraction form
    452.85/679.27 = 236.85/x
  3. Step 3: Cross multiply
    452.85x = 679.27 × 236.85
  4. Step 4: Simplify right side
    452.85x = 160,881.11
  5. Step 5: Solve for x
    x = 160,881.11/452.85
  6. Step 6: Final answer
    x = 355.27

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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.