Finding the Fourth Proportional to 424.99, 585.98 and 330.49
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Solution
The fourth proportional to 424.99, 585.98 and 330.49 is: 455.68
Step by Step Solution
- Step 1: Write the proportion equation
424.99 : 585.98 = 330.49 : x - Step 2: Convert to fraction form
424.99/585.98 = 330.49/x - Step 3: Cross multiply
424.99x = 585.98 × 330.49 - Step 4: Simplify right side
424.99x = 193,658.88 - Step 5: Solve for x
x = 193,658.88/424.99 - Step 6: Final answer
x = 455.68
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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.