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Finding the Fourth Proportional to 968.48, 1,452.83 and 352.47

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Solution

The fourth proportional to 968.48, 1,452.83 and 352.47 is: 528.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.48 : 1,452.83 = 352.47 : x
  2. Step 2: Convert to fraction form
    968.48/1,452.83 = 352.47/x
  3. Step 3: Cross multiply
    968.48x = 1,452.83 × 352.47
  4. Step 4: Simplify right side
    968.48x = 512,078.99
  5. Step 5: Solve for x
    x = 512,078.99/968.48
  6. Step 6: Final answer
    x = 528.75

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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.