Finding the Fourth Proportional to 939.84, 1,296.93 and 546.99
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Solution
The fourth proportional to 939.84, 1,296.93 and 546.99 is: 754.82
Step by Step Solution
- Step 1: Write the proportion equation
939.84 : 1,296.93 = 546.99 : x - Step 2: Convert to fraction form
939.84/1,296.93 = 546.99/x - Step 3: Cross multiply
939.84x = 1,296.93 × 546.99 - Step 4: Simplify right side
939.84x = 709,407.74 - Step 5: Solve for x
x = 709,407.74/939.84 - Step 6: Final answer
x = 754.82
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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.