Finding the Fourth Proportional to 649.74, 974.82 and 232.99
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Solution
The fourth proportional to 649.74, 974.82 and 232.99 is: 349.56
Step by Step Solution
- Step 1: Write the proportion equation
649.74 : 974.82 = 232.99 : x - Step 2: Convert to fraction form
649.74/974.82 = 232.99/x - Step 3: Cross multiply
649.74x = 974.82 × 232.99 - Step 4: Simplify right side
649.74x = 227,123.18 - Step 5: Solve for x
x = 227,123.18/649.74 - Step 6: Final answer
x = 349.56
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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.