Finding the Fourth Proportional to 302.43, 418.44 and 263.70
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Solution
The fourth proportional to 302.43, 418.44 and 263.70 is: 364.85
Step by Step Solution
- Step 1: Write the proportion equation
302.43 : 418.44 = 263.70 : x - Step 2: Convert to fraction form
302.43/418.44 = 263.70/x - Step 3: Cross multiply
302.43x = 418.44 × 263.70 - Step 4: Simplify right side
302.43x = 110,342.63 - Step 5: Solve for x
x = 110,342.63/302.43 - Step 6: Final answer
x = 364.85
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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.