Finding the Fourth Proportional to 379.36, 569.07 and 171.26
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Solution
The fourth proportional to 379.36, 569.07 and 171.26 is: 256.90
Step by Step Solution
- Step 1: Write the proportion equation
379.36 : 569.07 = 171.26 : x - Step 2: Convert to fraction form
379.36/569.07 = 171.26/x - Step 3: Cross multiply
379.36x = 569.07 × 171.26 - Step 4: Simplify right side
379.36x = 97,456.08 - Step 5: Solve for x
x = 97,456.08/379.36 - Step 6: Final answer
x = 256.90
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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.