Finding the Fourth Proportional to 149.44, 224.16 and 41.23
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Solution
The fourth proportional to 149.44, 224.16 and 41.23 is: 61.85
Step by Step Solution
- Step 1: Write the proportion equation
149.44 : 224.16 = 41.23 : x - Step 2: Convert to fraction form
149.44/224.16 = 41.23/x - Step 3: Cross multiply
149.44x = 224.16 × 41.23 - Step 4: Simplify right side
149.44x = 9,242.24 - Step 5: Solve for x
x = 9,242.24/149.44 - Step 6: Final answer
x = 61.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.