Finding the Fourth Proportional to 340.92, 509.99 and 283.26
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Solution
The fourth proportional to 340.92, 509.99 and 283.26 is: 423.73
Step by Step Solution
- Step 1: Write the proportion equation
340.92 : 509.99 = 283.26 : x - Step 2: Convert to fraction form
340.92/509.99 = 283.26/x - Step 3: Cross multiply
340.92x = 509.99 × 283.26 - Step 4: Simplify right side
340.92x = 144,458.35 - Step 5: Solve for x
x = 144,458.35/340.92 - Step 6: Final answer
x = 423.73
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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.