Finding the Fourth Proportional to 251.76, 346.93 and 181.70
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Solution
The fourth proportional to 251.76, 346.93 and 181.70 is: 250.39
Step by Step Solution
- Step 1: Write the proportion equation
251.76 : 346.93 = 181.70 : x - Step 2: Convert to fraction form
251.76/346.93 = 181.70/x - Step 3: Cross multiply
251.76x = 346.93 × 181.70 - Step 4: Simplify right side
251.76x = 63,037.18 - Step 5: Solve for x
x = 63,037.18/251.76 - Step 6: Final answer
x = 250.39
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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.