Finding the Fourth Proportional to 158.67, 237.99 and 48.99
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Solution
The fourth proportional to 158.67, 237.99 and 48.99 is: 73.48
Step by Step Solution
- Step 1: Write the proportion equation
158.67 : 237.99 = 48.99 : x - Step 2: Convert to fraction form
158.67/237.99 = 48.99/x - Step 3: Cross multiply
158.67x = 237.99 × 48.99 - Step 4: Simplify right side
158.67x = 11,659.13 - Step 5: Solve for x
x = 11,659.13/158.67 - Step 6: Final answer
x = 73.48
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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.