Finding the Fourth Proportional to 140.67, 211.01 and 117.99
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Solution
The fourth proportional to 140.67, 211.01 and 117.99 is: 176.99
Step by Step Solution
- Step 1: Write the proportion equation
140.67 : 211.01 = 117.99 : x - Step 2: Convert to fraction form
140.67/211.01 = 117.99/x - Step 3: Cross multiply
140.67x = 211.01 × 117.99 - Step 4: Simplify right side
140.67x = 24,896.48 - Step 5: Solve for x
x = 24,896.48/140.67 - Step 6: Final answer
x = 176.99
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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.