Finding the Fourth Proportional to 349.78, 524.70 and 195.88
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Solution
The fourth proportional to 349.78, 524.70 and 195.88 is: 293.84
Step by Step Solution
- Step 1: Write the proportion equation
349.78 : 524.70 = 195.88 : x - Step 2: Convert to fraction form
349.78/524.70 = 195.88/x - Step 3: Cross multiply
349.78x = 524.70 × 195.88 - Step 4: Simplify right side
349.78x = 102,778.24 - Step 5: Solve for x
x = 102,778.24/349.78 - Step 6: Final answer
x = 293.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.