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Finding the Fourth Proportional to 967.17, 1,450.76 and 480.11

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Solution

The fourth proportional to 967.17, 1,450.76 and 480.11 is: 720.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.17 : 1,450.76 = 480.11 : x
  2. Step 2: Convert to fraction form
    967.17/1,450.76 = 480.11/x
  3. Step 3: Cross multiply
    967.17x = 1,450.76 × 480.11
  4. Step 4: Simplify right side
    967.17x = 696,525.59
  5. Step 5: Solve for x
    x = 696,525.59/967.17
  6. Step 6: Final answer
    x = 720.17

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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.