Finding the Fourth Proportional to 553.08, 829.73 and 163.09
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Solution
The fourth proportional to 553.08, 829.73 and 163.09 is: 244.66
Step by Step Solution
- Step 1: Write the proportion equation
553.08 : 829.73 = 163.09 : x - Step 2: Convert to fraction form
553.08/829.73 = 163.09/x - Step 3: Cross multiply
553.08x = 829.73 × 163.09 - Step 4: Simplify right side
553.08x = 135,316.53 - Step 5: Solve for x
x = 135,316.53/553.08 - Step 6: Final answer
x = 244.66
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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.