Finding the Fourth Proportional to 151.41, 225.50 and 149.53
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Solution
The fourth proportional to 151.41, 225.50 and 149.53 is: 222.70
Step by Step Solution
- Step 1: Write the proportion equation
151.41 : 225.50 = 149.53 : x - Step 2: Convert to fraction form
151.41/225.50 = 149.53/x - Step 3: Cross multiply
151.41x = 225.50 × 149.53 - Step 4: Simplify right side
151.41x = 33,719.02 - Step 5: Solve for x
x = 33,719.02/151.41 - Step 6: Final answer
x = 222.70
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.