Finding the Fourth Proportional to 242.99, 335.68 and 188.43
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Solution
The fourth proportional to 242.99, 335.68 and 188.43 is: 260.30
Step by Step Solution
- Step 1: Write the proportion equation
242.99 : 335.68 = 188.43 : x - Step 2: Convert to fraction form
242.99/335.68 = 188.43/x - Step 3: Cross multiply
242.99x = 335.68 × 188.43 - Step 4: Simplify right side
242.99x = 63,251.24 - Step 5: Solve for x
x = 63,251.24/242.99 - Step 6: Final answer
x = 260.30
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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.