Finding the Fourth Proportional to 241.79, 333.68 and 136.91
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Solution
The fourth proportional to 241.79, 333.68 and 136.91 is: 188.94
Step by Step Solution
- Step 1: Write the proportion equation
241.79 : 333.68 = 136.91 : x - Step 2: Convert to fraction form
241.79/333.68 = 136.91/x - Step 3: Cross multiply
241.79x = 333.68 × 136.91 - Step 4: Simplify right side
241.79x = 45,684.13 - Step 5: Solve for x
x = 45,684.13/241.79 - Step 6: Final answer
x = 188.94
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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.