Finding the Fourth Proportional to 167.70, 250.07 and 156.99
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Solution
The fourth proportional to 167.70, 250.07 and 156.99 is: 234.09
Step by Step Solution
- Step 1: Write the proportion equation
167.70 : 250.07 = 156.99 : x - Step 2: Convert to fraction form
167.70/250.07 = 156.99/x - Step 3: Cross multiply
167.70x = 250.07 × 156.99 - Step 4: Simplify right side
167.70x = 39,257.70 - Step 5: Solve for x
x = 39,257.70/167.70 - Step 6: Final answer
x = 234.09
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.