Finding the Fourth Proportional to 343.24, 473.69 and 187.99
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Solution
The fourth proportional to 343.24, 473.69 and 187.99 is: 259.44
Step by Step Solution
- Step 1: Write the proportion equation
343.24 : 473.69 = 187.99 : x - Step 2: Convert to fraction form
343.24/473.69 = 187.99/x - Step 3: Cross multiply
343.24x = 473.69 × 187.99 - Step 4: Simplify right side
343.24x = 89,048.98 - Step 5: Solve for x
x = 89,048.98/343.24 - Step 6: Final answer
x = 259.44
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.