Finding the Fourth Proportional to 224.93, 310.40 and 126.68
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Solution
The fourth proportional to 224.93, 310.40 and 126.68 is: 174.82
Step by Step Solution
- Step 1: Write the proportion equation
224.93 : 310.40 = 126.68 : x - Step 2: Convert to fraction form
224.93/310.40 = 126.68/x - Step 3: Cross multiply
224.93x = 310.40 × 126.68 - Step 4: Simplify right side
224.93x = 39,322.20 - Step 5: Solve for x
x = 39,322.20/224.93 - Step 6: Final answer
x = 174.82
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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.