Finding the Fourth Proportional to 302.44, 416.94 and 224.68
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Solution
The fourth proportional to 302.44, 416.94 and 224.68 is: 309.74
Step by Step Solution
- Step 1: Write the proportion equation
302.44 : 416.94 = 224.68 : x - Step 2: Convert to fraction form
302.44/416.94 = 224.68/x - Step 3: Cross multiply
302.44x = 416.94 × 224.68 - Step 4: Simplify right side
302.44x = 93,678.08 - Step 5: Solve for x
x = 93,678.08/302.44 - Step 6: Final answer
x = 309.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.