Finding the Fourth Proportional to 248.34, 342.70 and 141.99
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Solution
The fourth proportional to 248.34, 342.70 and 141.99 is: 195.94
Step by Step Solution
- Step 1: Write the proportion equation
248.34 : 342.70 = 141.99 : x - Step 2: Convert to fraction form
248.34/342.70 = 141.99/x - Step 3: Cross multiply
248.34x = 342.70 × 141.99 - Step 4: Simplify right side
248.34x = 48,659.97 - Step 5: Solve for x
x = 48,659.97/248.34 - Step 6: Final answer
x = 195.94
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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.