Finding the Fourth Proportional to 450.24, 621.18 and 263.68
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Solution
The fourth proportional to 450.24, 621.18 and 263.68 is: 363.79
Step by Step Solution
- Step 1: Write the proportion equation
450.24 : 621.18 = 263.68 : x - Step 2: Convert to fraction form
450.24/621.18 = 263.68/x - Step 3: Cross multiply
450.24x = 621.18 × 263.68 - Step 4: Simplify right side
450.24x = 163,792.74 - Step 5: Solve for x
x = 163,792.74/450.24 - Step 6: Final answer
x = 363.79
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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.