Finding the Fourth Proportional to 116.84, 174.52 and 111.62
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Solution
The fourth proportional to 116.84, 174.52 and 111.62 is: 166.72
Step by Step Solution
- Step 1: Write the proportion equation
116.84 : 174.52 = 111.62 : x - Step 2: Convert to fraction form
116.84/174.52 = 111.62/x - Step 3: Cross multiply
116.84x = 174.52 × 111.62 - Step 4: Simplify right side
116.84x = 19,479.92 - Step 5: Solve for x
x = 19,479.92/116.84 - Step 6: Final answer
x = 166.72
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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.