Finding the Fourth Proportional to 251.70, 346.98 and 177.99
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Solution
The fourth proportional to 251.70, 346.98 and 177.99 is: 245.37
Step by Step Solution
- Step 1: Write the proportion equation
251.70 : 346.98 = 177.99 : x - Step 2: Convert to fraction form
251.70/346.98 = 177.99/x - Step 3: Cross multiply
251.70x = 346.98 × 177.99 - Step 4: Simplify right side
251.70x = 61,758.97 - Step 5: Solve for x
x = 61,758.97/251.70 - Step 6: Final answer
x = 245.37
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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.