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Finding the Fourth Proportional to 737.06, 1,113.93 and 724.30

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Solution

The fourth proportional to 737.06, 1,113.93 and 724.30 is: 1,094.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.06 : 1,113.93 = 724.30 : x
  2. Step 2: Convert to fraction form
    737.06/1,113.93 = 724.30/x
  3. Step 3: Cross multiply
    737.06x = 1,113.93 × 724.30
  4. Step 4: Simplify right side
    737.06x = 806,816.71
  5. Step 5: Solve for x
    x = 806,816.71/737.06
  6. Step 6: Final answer
    x = 1,094.65

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.