Finding the Fourth Proportional to 118.71, 177.19 and 110.26
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Solution
The fourth proportional to 118.71, 177.19 and 110.26 is: 164.58
Step by Step Solution
- Step 1: Write the proportion equation
118.71 : 177.19 = 110.26 : x - Step 2: Convert to fraction form
118.71/177.19 = 110.26/x - Step 3: Cross multiply
118.71x = 177.19 × 110.26 - Step 4: Simplify right side
118.71x = 19,536.97 - Step 5: Solve for x
x = 19,536.97/118.71 - Step 6: Final answer
x = 164.58
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.