Finding the Fourth Proportional to 450.23, 621.36 and 263.70
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Solution
The fourth proportional to 450.23, 621.36 and 263.70 is: 363.93
Step by Step Solution
- Step 1: Write the proportion equation
450.23 : 621.36 = 263.70 : x - Step 2: Convert to fraction form
450.23/621.36 = 263.70/x - Step 3: Cross multiply
450.23x = 621.36 × 263.70 - Step 4: Simplify right side
450.23x = 163,852.63 - Step 5: Solve for x
x = 163,852.63/450.23 - Step 6: Final answer
x = 363.93
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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.