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Finding the Fourth Proportional to 968.50, 1,452.27 and 352.11

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Solution

The fourth proportional to 968.50, 1,452.27 and 352.11 is: 527.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.50 : 1,452.27 = 352.11 : x
  2. Step 2: Convert to fraction form
    968.50/1,452.27 = 352.11/x
  3. Step 3: Cross multiply
    968.50x = 1,452.27 × 352.11
  4. Step 4: Simplify right side
    968.50x = 511,358.79
  5. Step 5: Solve for x
    x = 511,358.79/968.50
  6. Step 6: Final answer
    x = 527.99

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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.