Finding the Fourth Proportional to 303.74, 455.67 and 235.70
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Solution
The fourth proportional to 303.74, 455.67 and 235.70 is: 353.59
Step by Step Solution
- Step 1: Write the proportion equation
303.74 : 455.67 = 235.70 : x - Step 2: Convert to fraction form
303.74/455.67 = 235.70/x - Step 3: Cross multiply
303.74x = 455.67 × 235.70 - Step 4: Simplify right side
303.74x = 107,399.14 - Step 5: Solve for x
x = 107,399.14/303.74 - Step 6: Final answer
x = 353.59
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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.