Finding the Fourth Proportional to 461.63, 637.52 and 344.99
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Solution
The fourth proportional to 461.63, 637.52 and 344.99 is: 476.43
Step by Step Solution
- Step 1: Write the proportion equation
461.63 : 637.52 = 344.99 : x - Step 2: Convert to fraction form
461.63/637.52 = 344.99/x - Step 3: Cross multiply
461.63x = 637.52 × 344.99 - Step 4: Simplify right side
461.63x = 219,933.11 - Step 5: Solve for x
x = 219,933.11/461.63 - Step 6: Final answer
x = 476.43
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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.