Finding the Fourth Proportional to 130.67, 194.84 and 116.99
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Solution
The fourth proportional to 130.67, 194.84 and 116.99 is: 174.44
Step by Step Solution
- Step 1: Write the proportion equation
130.67 : 194.84 = 116.99 : x - Step 2: Convert to fraction form
130.67/194.84 = 116.99/x - Step 3: Cross multiply
130.67x = 194.84 × 116.99 - Step 4: Simplify right side
130.67x = 22,794.33 - Step 5: Solve for x
x = 22,794.33/130.67 - Step 6: Final answer
x = 174.44
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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.