Finding the Fourth Proportional to 349.63, 524.44 and 121.63
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Solution
The fourth proportional to 349.63, 524.44 and 121.63 is: 182.44
Step by Step Solution
- Step 1: Write the proportion equation
349.63 : 524.44 = 121.63 : x - Step 2: Convert to fraction form
349.63/524.44 = 121.63/x - Step 3: Cross multiply
349.63x = 524.44 × 121.63 - Step 4: Simplify right side
349.63x = 63,787.64 - Step 5: Solve for x
x = 63,787.64/349.63 - Step 6: Final answer
x = 182.44
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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.