Finding the Fourth Proportional to 137.99, 206.06 and 130.97
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Solution
The fourth proportional to 137.99, 206.06 and 130.97 is: 195.57
Step by Step Solution
- Step 1: Write the proportion equation
137.99 : 206.06 = 130.97 : x - Step 2: Convert to fraction form
137.99/206.06 = 130.97/x - Step 3: Cross multiply
137.99x = 206.06 × 130.97 - Step 4: Simplify right side
137.99x = 26,985.99 - Step 5: Solve for x
x = 26,985.99/137.99 - Step 6: Final answer
x = 195.57
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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.