Finding the Fourth Proportional to 724.06, 998.97 and 444
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Solution
The fourth proportional to 724.06, 998.97 and 444 is: 612.58
Step by Step Solution
- Step 1: Write the proportion equation
724.06 : 998.97 = 444 : x - Step 2: Convert to fraction form
724.06/998.97 = 444/x - Step 3: Cross multiply
724.06x = 998.97 × 444 - Step 4: Simplify right side
724.06x = 443,542.68 - Step 5: Solve for x
x = 443,542.68/724.06 - Step 6: Final answer
x = 612.58
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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.