Finding the Fourth Proportional to 161.99, 242.84 and 100.99
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Solution
The fourth proportional to 161.99, 242.84 and 100.99 is: 151.39
Step by Step Solution
- Step 1: Write the proportion equation
161.99 : 242.84 = 100.99 : x - Step 2: Convert to fraction form
161.99/242.84 = 100.99/x - Step 3: Cross multiply
161.99x = 242.84 × 100.99 - Step 4: Simplify right side
161.99x = 24,524.41 - Step 5: Solve for x
x = 24,524.41/161.99 - Step 6: Final answer
x = 151.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.