Finding the Fourth Proportional to 149.99, 224.79 and 63.28
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Solution
The fourth proportional to 149.99, 224.79 and 63.28 is: 94.83
Step by Step Solution
- Step 1: Write the proportion equation
149.99 : 224.79 = 63.28 : x - Step 2: Convert to fraction form
149.99/224.79 = 63.28/x - Step 3: Cross multiply
149.99x = 224.79 × 63.28 - Step 4: Simplify right side
149.99x = 14,223.59 - Step 5: Solve for x
x = 14,223.59/149.99 - Step 6: Final answer
x = 94.83
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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.