Finding the Fourth Proportional to 303.76, 455.63 and 201.02
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Solution
The fourth proportional to 303.76, 455.63 and 201.02 is: 301.52
Step by Step Solution
- Step 1: Write the proportion equation
303.76 : 455.63 = 201.02 : x - Step 2: Convert to fraction form
303.76/455.63 = 201.02/x - Step 3: Cross multiply
303.76x = 455.63 × 201.02 - Step 4: Simplify right side
303.76x = 91,588.97 - Step 5: Solve for x
x = 91,588.97/303.76 - Step 6: Final answer
x = 301.52
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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.