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Finding the Fourth Proportional to 968, 1,452.08 and 382.96

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Solution

The fourth proportional to 968, 1,452.08 and 382.96 is: 574.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    968 : 1,452.08 = 382.96 : x
  2. Step 2: Convert to fraction form
    968/1,452.08 = 382.96/x
  3. Step 3: Cross multiply
    968x = 1,452.08 × 382.96
  4. Step 4: Simplify right side
    968x = 556,088.56
  5. Step 5: Solve for x
    x = 556,088.56/968
  6. Step 6: Final answer
    x = 574.47

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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.