Finding the Fourth Proportional to 380.08, 569.96 and 163.44
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Solution
The fourth proportional to 380.08, 569.96 and 163.44 is: 245.09
Step by Step Solution
- Step 1: Write the proportion equation
380.08 : 569.96 = 163.44 : x - Step 2: Convert to fraction form
380.08/569.96 = 163.44/x - Step 3: Cross multiply
380.08x = 569.96 × 163.44 - Step 4: Simplify right side
380.08x = 93,154.26 - Step 5: Solve for x
x = 93,154.26/380.08 - Step 6: Final answer
x = 245.09
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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.