Finding the Fourth Proportional to 344.19, 474.99 and 213.17
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Solution
The fourth proportional to 344.19, 474.99 and 213.17 is: 294.18
Step by Step Solution
- Step 1: Write the proportion equation
344.19 : 474.99 = 213.17 : x - Step 2: Convert to fraction form
344.19/474.99 = 213.17/x - Step 3: Cross multiply
344.19x = 474.99 × 213.17 - Step 4: Simplify right side
344.19x = 101,253.62 - Step 5: Solve for x
x = 101,253.62/344.19 - Step 6: Final answer
x = 294.18
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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.