Finding the Fourth Proportional to 149.66, 224.49 and 46.99
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Solution
The fourth proportional to 149.66, 224.49 and 46.99 is: 70.49
Step by Step Solution
- Step 1: Write the proportion equation
149.66 : 224.49 = 46.99 : x - Step 2: Convert to fraction form
149.66/224.49 = 46.99/x - Step 3: Cross multiply
149.66x = 224.49 × 46.99 - Step 4: Simplify right side
149.66x = 10,549.24 - Step 5: Solve for x
x = 10,549.24/149.66 - Step 6: Final answer
x = 70.49
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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.