Finding the Fourth Proportional to 224.23, 309.43 and 125.99
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Solution
The fourth proportional to 224.23, 309.43 and 125.99 is: 173.86
Step by Step Solution
- Step 1: Write the proportion equation
224.23 : 309.43 = 125.99 : x - Step 2: Convert to fraction form
224.23/309.43 = 125.99/x - Step 3: Cross multiply
224.23x = 309.43 × 125.99 - Step 4: Simplify right side
224.23x = 38,985.09 - Step 5: Solve for x
x = 38,985.09/224.23 - Step 6: Final answer
x = 173.86
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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.