Finding the Fourth Proportional to 116.70, 174.99 and 44.58
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Solution
The fourth proportional to 116.70, 174.99 and 44.58 is: 66.85
Step by Step Solution
- Step 1: Write the proportion equation
116.70 : 174.99 = 44.58 : x - Step 2: Convert to fraction form
116.70/174.99 = 44.58/x - Step 3: Cross multiply
116.70x = 174.99 × 44.58 - Step 4: Simplify right side
116.70x = 7,801.05 - Step 5: Solve for x
x = 7,801.05/116.70 - Step 6: Final answer
x = 66.85
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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.