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Finding the Fourth Proportional to 967.25, 1,450.88 and 382.57

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Solution

The fourth proportional to 967.25, 1,450.88 and 382.57 is: 573.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.25 : 1,450.88 = 382.57 : x
  2. Step 2: Convert to fraction form
    967.25/1,450.88 = 382.57/x
  3. Step 3: Cross multiply
    967.25x = 1,450.88 × 382.57
  4. Step 4: Simplify right side
    967.25x = 555,068.02
  5. Step 5: Solve for x
    x = 555,068.02/967.25
  6. Step 6: Final answer
    x = 573.86

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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.