Finding the Fourth Proportional to 231.93, 347.99 and 134.42
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Solution
The fourth proportional to 231.93, 347.99 and 134.42 is: 201.67
Step by Step Solution
- Step 1: Write the proportion equation
231.93 : 347.99 = 134.42 : x - Step 2: Convert to fraction form
231.93/347.99 = 134.42/x - Step 3: Cross multiply
231.93x = 347.99 × 134.42 - Step 4: Simplify right side
231.93x = 46,774.40 - Step 5: Solve for x
x = 46,774.40/231.93 - Step 6: Final answer
x = 201.67
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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.