Finding the Fourth Proportional to 303.64, 455.62 and 207.26
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Solution
The fourth proportional to 303.64, 455.62 and 207.26 is: 311.00
Step by Step Solution
- Step 1: Write the proportion equation
303.64 : 455.62 = 207.26 : x - Step 2: Convert to fraction form
303.64/455.62 = 207.26/x - Step 3: Cross multiply
303.64x = 455.62 × 207.26 - Step 4: Simplify right side
303.64x = 94,431.80 - Step 5: Solve for x
x = 94,431.80/303.64 - Step 6: Final answer
x = 311.00
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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.