Finding the Fourth Proportional to 461.68, 692.48 and 187.99
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Solution
The fourth proportional to 461.68, 692.48 and 187.99 is: 281.97
Step by Step Solution
- Step 1: Write the proportion equation
461.68 : 692.48 = 187.99 : x - Step 2: Convert to fraction form
461.68/692.48 = 187.99/x - Step 3: Cross multiply
461.68x = 692.48 × 187.99 - Step 4: Simplify right side
461.68x = 130,178.05 - Step 5: Solve for x
x = 130,178.05/461.68 - Step 6: Final answer
x = 281.97
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.