Finding the Fourth Proportional to 224.06, 309.23 and 130.79
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Solution
The fourth proportional to 224.06, 309.23 and 130.79 is: 180.50
Step by Step Solution
- Step 1: Write the proportion equation
224.06 : 309.23 = 130.79 : x - Step 2: Convert to fraction form
224.06/309.23 = 130.79/x - Step 3: Cross multiply
224.06x = 309.23 × 130.79 - Step 4: Simplify right side
224.06x = 40,441.99 - Step 5: Solve for x
x = 40,441.99/224.06 - Step 6: Final answer
x = 180.50
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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.