Finding the Fourth Proportional to 344.84, 475.74 and 197.42
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Solution
The fourth proportional to 344.84, 475.74 and 197.42 is: 272.36
Step by Step Solution
- Step 1: Write the proportion equation
344.84 : 475.74 = 197.42 : x - Step 2: Convert to fraction form
344.84/475.74 = 197.42/x - Step 3: Cross multiply
344.84x = 475.74 × 197.42 - Step 4: Simplify right side
344.84x = 93,918.21 - Step 5: Solve for x
x = 93,918.21/344.84 - Step 6: Final answer
x = 272.36
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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.