Finding the Fourth Proportional to 936.84, 1,292.80 and 544
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Solution
The fourth proportional to 936.84, 1,292.80 and 544 is: 750.70
Step by Step Solution
- Step 1: Write the proportion equation
936.84 : 1,292.80 = 544 : x - Step 2: Convert to fraction form
936.84/1,292.80 = 544/x - Step 3: Cross multiply
936.84x = 1,292.80 × 544 - Step 4: Simplify right side
936.84x = 703,283.20 - Step 5: Solve for x
x = 703,283.20/936.84 - Step 6: Final answer
x = 750.70
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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.