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Finding the Fourth Proportional to 967.77, 1,451.10 and 382.08

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Solution

The fourth proportional to 967.77, 1,451.10 and 382.08 is: 572.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.77 : 1,451.10 = 382.08 : x
  2. Step 2: Convert to fraction form
    967.77/1,451.10 = 382.08/x
  3. Step 3: Cross multiply
    967.77x = 1,451.10 × 382.08
  4. Step 4: Simplify right side
    967.77x = 554,436.29
  5. Step 5: Solve for x
    x = 554,436.29/967.77
  6. Step 6: Final answer
    x = 572.90

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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.