Finding the Fourth Proportional to 175.68, 242.43 and 96.99
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Solution
The fourth proportional to 175.68, 242.43 and 96.99 is: 133.85
Step by Step Solution
- Step 1: Write the proportion equation
175.68 : 242.43 = 96.99 : x - Step 2: Convert to fraction form
175.68/242.43 = 96.99/x - Step 3: Cross multiply
175.68x = 242.43 × 96.99 - Step 4: Simplify right side
175.68x = 23,514.13 - Step 5: Solve for x
x = 23,514.13/175.68 - Step 6: Final answer
x = 133.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.