Finding the Fourth Proportional to 224.18, 309.07 and 186.68
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Solution
The fourth proportional to 224.18, 309.07 and 186.68 is: 257.37
Step by Step Solution
- Step 1: Write the proportion equation
224.18 : 309.07 = 186.68 : x - Step 2: Convert to fraction form
224.18/309.07 = 186.68/x - Step 3: Cross multiply
224.18x = 309.07 × 186.68 - Step 4: Simplify right side
224.18x = 57,697.19 - Step 5: Solve for x
x = 57,697.19/224.18 - Step 6: Final answer
x = 257.37
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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.