Finding the Fourth Proportional to 149.15, 224.07 and 94.48
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Solution
The fourth proportional to 149.15, 224.07 and 94.48 is: 141.94
Step by Step Solution
- Step 1: Write the proportion equation
149.15 : 224.07 = 94.48 : x - Step 2: Convert to fraction form
149.15/224.07 = 94.48/x - Step 3: Cross multiply
149.15x = 224.07 × 94.48 - Step 4: Simplify right side
149.15x = 21,170.13 - Step 5: Solve for x
x = 21,170.13/149.15 - Step 6: Final answer
x = 141.94
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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.