Finding the Fourth Proportional to 937.14, 1,292.92 and 622.99
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Solution
The fourth proportional to 937.14, 1,292.92 and 622.99 is: 859.50
Step by Step Solution
- Step 1: Write the proportion equation
937.14 : 1,292.92 = 622.99 : x - Step 2: Convert to fraction form
937.14/1,292.92 = 622.99/x - Step 3: Cross multiply
937.14x = 1,292.92 × 622.99 - Step 4: Simplify right side
937.14x = 805,476.23 - Step 5: Solve for x
x = 805,476.23/937.14 - Step 6: Final answer
x = 859.50
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1.5x scale
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.