Finding the Fourth Proportional to 330.99, 456.75 and 183.62
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Solution
The fourth proportional to 330.99, 456.75 and 183.62 is: 253.39
Step by Step Solution
- Step 1: Write the proportion equation
330.99 : 456.75 = 183.62 : x - Step 2: Convert to fraction form
330.99/456.75 = 183.62/x - Step 3: Cross multiply
330.99x = 456.75 × 183.62 - Step 4: Simplify right side
330.99x = 83,868.44 - Step 5: Solve for x
x = 83,868.44/330.99 - Step 6: Final answer
x = 253.39
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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.