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Finding the Fourth Proportional to 974.03, 1,343.74 and 600.72

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Solution

The fourth proportional to 974.03, 1,343.74 and 600.72 is: 828.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    974.03 : 1,343.74 = 600.72 : x
  2. Step 2: Convert to fraction form
    974.03/1,343.74 = 600.72/x
  3. Step 3: Cross multiply
    974.03x = 1,343.74 × 600.72
  4. Step 4: Simplify right side
    974.03x = 807,206.08
  5. Step 5: Solve for x
    x = 807,206.08/974.03
  6. Step 6: Final answer
    x = 828.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.