Finding the Fourth Proportional to 141.07, 194.55 and 101.99
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Solution
The fourth proportional to 141.07, 194.55 and 101.99 is: 140.65
Step by Step Solution
- Step 1: Write the proportion equation
141.07 : 194.55 = 101.99 : x - Step 2: Convert to fraction form
141.07/194.55 = 101.99/x - Step 3: Cross multiply
141.07x = 194.55 × 101.99 - Step 4: Simplify right side
141.07x = 19,841.18 - Step 5: Solve for x
x = 19,841.18/141.07 - Step 6: Final answer
x = 140.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.