Finding the Fourth Proportional to 303.74, 455.64 and 98.26
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Solution
The fourth proportional to 303.74, 455.64 and 98.26 is: 147.40
Step by Step Solution
- Step 1: Write the proportion equation
303.74 : 455.64 = 98.26 : x - Step 2: Convert to fraction form
303.74/455.64 = 98.26/x - Step 3: Cross multiply
303.74x = 455.64 × 98.26 - Step 4: Simplify right side
303.74x = 44,771.19 - Step 5: Solve for x
x = 44,771.19/303.74 - Step 6: Final answer
x = 147.40
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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.