Finding the Fourth Proportional to 175.44, 242.08 and 97.80
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Solution
The fourth proportional to 175.44, 242.08 and 97.80 is: 134.95
Step by Step Solution
- Step 1: Write the proportion equation
175.44 : 242.08 = 97.80 : x - Step 2: Convert to fraction form
175.44/242.08 = 97.80/x - Step 3: Cross multiply
175.44x = 242.08 × 97.80 - Step 4: Simplify right side
175.44x = 23,675.42 - Step 5: Solve for x
x = 23,675.42/175.44 - Step 6: Final answer
x = 134.95
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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.