Finding the Fourth Proportional to 224.58, 336.87 and 126.99
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Solution
The fourth proportional to 224.58, 336.87 and 126.99 is: 190.49
Step by Step Solution
- Step 1: Write the proportion equation
224.58 : 336.87 = 126.99 : x - Step 2: Convert to fraction form
224.58/336.87 = 126.99/x - Step 3: Cross multiply
224.58x = 336.87 × 126.99 - Step 4: Simplify right side
224.58x = 42,779.12 - Step 5: Solve for x
x = 42,779.12/224.58 - Step 6: Final answer
x = 190.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.