Finding the Fourth Proportional to 369.10, 552.93 and 214.93
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Solution
The fourth proportional to 369.10, 552.93 and 214.93 is: 321.98
Step by Step Solution
- Step 1: Write the proportion equation
369.10 : 552.93 = 214.93 : x - Step 2: Convert to fraction form
369.10/552.93 = 214.93/x - Step 3: Cross multiply
369.10x = 552.93 × 214.93 - Step 4: Simplify right side
369.10x = 118,841.24 - Step 5: Solve for x
x = 118,841.24/369.10 - Step 6: Final answer
x = 321.98
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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.