Finding the Fourth Proportional to 175.70, 242.48 and 98.08
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Solution
The fourth proportional to 175.70, 242.48 and 98.08 is: 135.36
Step by Step Solution
- Step 1: Write the proportion equation
175.70 : 242.48 = 98.08 : x - Step 2: Convert to fraction form
175.70/242.48 = 98.08/x - Step 3: Cross multiply
175.70x = 242.48 × 98.08 - Step 4: Simplify right side
175.70x = 23,782.44 - Step 5: Solve for x
x = 23,782.44/175.70 - Step 6: Final answer
x = 135.36
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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.