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Finding the Fourth Proportional to 452.53, 679.00 and 247.03

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Solution

The fourth proportional to 452.53, 679.00 and 247.03 is: 370.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.53 : 679.00 = 247.03 : x
  2. Step 2: Convert to fraction form
    452.53/679.00 = 247.03/x
  3. Step 3: Cross multiply
    452.53x = 679.00 × 247.03
  4. Step 4: Simplify right side
    452.53x = 167,731.05
  5. Step 5: Solve for x
    x = 167,731.05/452.53
  6. Step 6: Final answer
    x = 370.65

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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.