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Finding the Fourth Proportional to 968.41, 1,452.15 and 351.69

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Solution

The fourth proportional to 968.41, 1,452.15 and 351.69 is: 527.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.41 : 1,452.15 = 351.69 : x
  2. Step 2: Convert to fraction form
    968.41/1,452.15 = 351.69/x
  3. Step 3: Cross multiply
    968.41x = 1,452.15 × 351.69
  4. Step 4: Simplify right side
    968.41x = 510,706.63
  5. Step 5: Solve for x
    x = 510,706.63/968.41
  6. Step 6: Final answer
    x = 527.37

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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.