Finding the Fourth Proportional to 731.97, 1,097.99 and 407.09
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Solution
The fourth proportional to 731.97, 1,097.99 and 407.09 is: 610.66
Step by Step Solution
- Step 1: Write the proportion equation
731.97 : 1,097.99 = 407.09 : x - Step 2: Convert to fraction form
731.97/1,097.99 = 407.09/x - Step 3: Cross multiply
731.97x = 1,097.99 × 407.09 - Step 4: Simplify right side
731.97x = 446,982.99 - Step 5: Solve for x
x = 446,982.99/731.97 - Step 6: Final answer
x = 610.66
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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.