Finding the Fourth Proportional to 340.91, 470.63 and 252.62
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Solution
The fourth proportional to 340.91, 470.63 and 252.62 is: 348.74
Step by Step Solution
- Step 1: Write the proportion equation
340.91 : 470.63 = 252.62 : x - Step 2: Convert to fraction form
340.91/470.63 = 252.62/x - Step 3: Cross multiply
340.91x = 470.63 × 252.62 - Step 4: Simplify right side
340.91x = 118,886.93 - Step 5: Solve for x
x = 118,886.93/340.91 - Step 6: Final answer
x = 348.74
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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.