Finding the Fourth Proportional to 375, 562.44 and 221
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Solution
The fourth proportional to 375, 562.44 and 221 is: 331.46
Step by Step Solution
- Step 1: Write the proportion equation
375 : 562.44 = 221 : x - Step 2: Convert to fraction form
375/562.44 = 221/x - Step 3: Cross multiply
375x = 562.44 × 221 - Step 4: Simplify right side
375x = 124,299.24 - Step 5: Solve for x
x = 124,299.24/375 - Step 6: Final answer
x = 331.46
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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.