Finding the Fourth Proportional to 349.19, 524.02 and 121.19
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Solution
The fourth proportional to 349.19, 524.02 and 121.19 is: 181.87
Step by Step Solution
- Step 1: Write the proportion equation
349.19 : 524.02 = 121.19 : x - Step 2: Convert to fraction form
349.19/524.02 = 121.19/x - Step 3: Cross multiply
349.19x = 524.02 × 121.19 - Step 4: Simplify right side
349.19x = 63,505.98 - Step 5: Solve for x
x = 63,505.98/349.19 - Step 6: Final answer
x = 181.87
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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.