Finding the Fourth Proportional to 302.13, 453.19 and 119.31
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Solution
The fourth proportional to 302.13, 453.19 and 119.31 is: 178.96
Step by Step Solution
- Step 1: Write the proportion equation
302.13 : 453.19 = 119.31 : x - Step 2: Convert to fraction form
302.13/453.19 = 119.31/x - Step 3: Cross multiply
302.13x = 453.19 × 119.31 - Step 4: Simplify right side
302.13x = 54,067.24 - Step 5: Solve for x
x = 54,067.24/302.13 - Step 6: Final answer
x = 178.96
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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.