Finding the Fourth Proportional to 176.70, 243.73 and 135.26
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Solution
The fourth proportional to 176.70, 243.73 and 135.26 is: 186.57
Step by Step Solution
- Step 1: Write the proportion equation
176.70 : 243.73 = 135.26 : x - Step 2: Convert to fraction form
176.70/243.73 = 135.26/x - Step 3: Cross multiply
176.70x = 243.73 × 135.26 - Step 4: Simplify right side
176.70x = 32,966.92 - Step 5: Solve for x
x = 32,966.92/176.70 - Step 6: Final answer
x = 186.57
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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.