Finding the Fourth Proportional to 161.99, 242.99 and 40.26
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Solution
The fourth proportional to 161.99, 242.99 and 40.26 is: 60.38
Step by Step Solution
- Step 1: Write the proportion equation
161.99 : 242.99 = 40.26 : x - Step 2: Convert to fraction form
161.99/242.99 = 40.26/x - Step 3: Cross multiply
161.99x = 242.99 × 40.26 - Step 4: Simplify right side
161.99x = 9,781.53 - Step 5: Solve for x
x = 9,781.53/161.99 - Step 6: Final answer
x = 60.38
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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.