Finding the Fourth Proportional to 344.99, 476.10 and 197.63
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Solution
The fourth proportional to 344.99, 476.10 and 197.63 is: 272.74
Step by Step Solution
- Step 1: Write the proportion equation
344.99 : 476.10 = 197.63 : x - Step 2: Convert to fraction form
344.99/476.10 = 197.63/x - Step 3: Cross multiply
344.99x = 476.10 × 197.63 - Step 4: Simplify right side
344.99x = 94,091.64 - Step 5: Solve for x
x = 94,091.64/344.99 - Step 6: Final answer
x = 272.74
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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.