Finding the Fourth Proportional to 684, 943.94 and 373.52
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Solution
The fourth proportional to 684, 943.94 and 373.52 is: 515.47
Step by Step Solution
- Step 1: Write the proportion equation
684 : 943.94 = 373.52 : x - Step 2: Convert to fraction form
684/943.94 = 373.52/x - Step 3: Cross multiply
684x = 943.94 × 373.52 - Step 4: Simplify right side
684x = 352,580.47 - Step 5: Solve for x
x = 352,580.47/684 - Step 6: Final answer
x = 515.47
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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.