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Finding the Fourth Proportional to 967.08, 1,450.54 and 317.80

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Solution

The fourth proportional to 967.08, 1,450.54 and 317.80 is: 476.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.08 : 1,450.54 = 317.80 : x
  2. Step 2: Convert to fraction form
    967.08/1,450.54 = 317.80/x
  3. Step 3: Cross multiply
    967.08x = 1,450.54 × 317.80
  4. Step 4: Simplify right side
    967.08x = 460,981.61
  5. Step 5: Solve for x
    x = 460,981.61/967.08
  6. Step 6: Final answer
    x = 476.67

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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.