Finding the Fourth Proportional to 443.54, 611.57 and 373.49
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Solution
The fourth proportional to 443.54, 611.57 and 373.49 is: 514.99
Step by Step Solution
- Step 1: Write the proportion equation
443.54 : 611.57 = 373.49 : x - Step 2: Convert to fraction form
443.54/611.57 = 373.49/x - Step 3: Cross multiply
443.54x = 611.57 × 373.49 - Step 4: Simplify right side
443.54x = 228,416.15 - Step 5: Solve for x
x = 228,416.15/443.54 - Step 6: Final answer
x = 514.99
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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.