Finding the Fourth Proportional to 161.63, 242.08 and 148.99
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Solution
The fourth proportional to 161.63, 242.08 and 148.99 is: 223.14
Step by Step Solution
- Step 1: Write the proportion equation
161.63 : 242.08 = 148.99 : x - Step 2: Convert to fraction form
161.63/242.08 = 148.99/x - Step 3: Cross multiply
161.63x = 242.08 × 148.99 - Step 4: Simplify right side
161.63x = 36,067.24 - Step 5: Solve for x
x = 36,067.24/161.63 - Step 6: Final answer
x = 223.14
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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.