Finding the Fourth Proportional to 149.97, 224.99 and 47.26
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Solution
The fourth proportional to 149.97, 224.99 and 47.26 is: 70.91
Step by Step Solution
- Step 1: Write the proportion equation
149.97 : 224.99 = 47.26 : x - Step 2: Convert to fraction form
149.97/224.99 = 47.26/x - Step 3: Cross multiply
149.97x = 224.99 × 47.26 - Step 4: Simplify right side
149.97x = 10,633.63 - Step 5: Solve for x
x = 10,633.63/149.97 - Step 6: Final answer
x = 70.91
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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.