Finding the Fourth Proportional to 316.99, 437.11 and 246.92
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Solution
The fourth proportional to 316.99, 437.11 and 246.92 is: 340.49
Step by Step Solution
- Step 1: Write the proportion equation
316.99 : 437.11 = 246.92 : x - Step 2: Convert to fraction form
316.99/437.11 = 246.92/x - Step 3: Cross multiply
316.99x = 437.11 × 246.92 - Step 4: Simplify right side
316.99x = 107,931.68 - Step 5: Solve for x
x = 107,931.68/316.99 - Step 6: Final answer
x = 340.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.