Finding the Fourth Proportional to 239.24, 357.14 and 202.80
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Solution
The fourth proportional to 239.24, 357.14 and 202.80 is: 302.74
Step by Step Solution
- Step 1: Write the proportion equation
239.24 : 357.14 = 202.80 : x - Step 2: Convert to fraction form
239.24/357.14 = 202.80/x - Step 3: Cross multiply
239.24x = 357.14 × 202.80 - Step 4: Simplify right side
239.24x = 72,427.99 - Step 5: Solve for x
x = 72,427.99/239.24 - Step 6: Final answer
x = 302.74
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.