Finding the Fourth Proportional to 344.24, 475.05 and 188.99
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Solution
The fourth proportional to 344.24, 475.05 and 188.99 is: 260.81
Step by Step Solution
- Step 1: Write the proportion equation
344.24 : 475.05 = 188.99 : x - Step 2: Convert to fraction form
344.24/475.05 = 188.99/x - Step 3: Cross multiply
344.24x = 475.05 × 188.99 - Step 4: Simplify right side
344.24x = 89,779.70 - Step 5: Solve for x
x = 89,779.70/344.24 - Step 6: Final answer
x = 260.81
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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.