Finding the Fourth Proportional to 177.18, 265.66 and 112.26
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Solution
The fourth proportional to 177.18, 265.66 and 112.26 is: 168.32
Step by Step Solution
- Step 1: Write the proportion equation
177.18 : 265.66 = 112.26 : x - Step 2: Convert to fraction form
177.18/265.66 = 112.26/x - Step 3: Cross multiply
177.18x = 265.66 × 112.26 - Step 4: Simplify right side
177.18x = 29,822.99 - Step 5: Solve for x
x = 29,822.99/177.18 - Step 6: Final answer
x = 168.32
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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.