Finding the Fourth Proportional to 165.26, 226.93 and 159.19
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Solution
The fourth proportional to 165.26, 226.93 and 159.19 is: 218.59
Step by Step Solution
- Step 1: Write the proportion equation
165.26 : 226.93 = 159.19 : x - Step 2: Convert to fraction form
165.26/226.93 = 159.19/x - Step 3: Cross multiply
165.26x = 226.93 × 159.19 - Step 4: Simplify right side
165.26x = 36,124.99 - Step 5: Solve for x
x = 36,124.99/165.26 - Step 6: Final answer
x = 218.59
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.