Finding the Fourth Proportional to 252.99, 376.65 and 251.64
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Solution
The fourth proportional to 252.99, 376.65 and 251.64 is: 374.64
Step by Step Solution
- Step 1: Write the proportion equation
252.99 : 376.65 = 251.64 : x - Step 2: Convert to fraction form
252.99/376.65 = 251.64/x - Step 3: Cross multiply
252.99x = 376.65 × 251.64 - Step 4: Simplify right side
252.99x = 94,780.21 - Step 5: Solve for x
x = 94,780.21/252.99 - Step 6: Final answer
x = 374.64
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.