Finding the Fourth Proportional to 345.13, 517.79 and 182.93
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Solution
The fourth proportional to 345.13, 517.79 and 182.93 is: 274.44
Step by Step Solution
- Step 1: Write the proportion equation
345.13 : 517.79 = 182.93 : x - Step 2: Convert to fraction form
345.13/517.79 = 182.93/x - Step 3: Cross multiply
345.13x = 517.79 × 182.93 - Step 4: Simplify right side
345.13x = 94,717.19 - Step 5: Solve for x
x = 94,717.19/345.13 - Step 6: Final answer
x = 274.44
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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.