Finding the Fourth Proportional to 239.39, 358.11 and 202.60
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Solution
The fourth proportional to 239.39, 358.11 and 202.60 is: 303.08
Step by Step Solution
- Step 1: Write the proportion equation
239.39 : 358.11 = 202.60 : x - Step 2: Convert to fraction form
239.39/358.11 = 202.60/x - Step 3: Cross multiply
239.39x = 358.11 × 202.60 - Step 4: Simplify right side
239.39x = 72,552.19 - Step 5: Solve for x
x = 72,552.19/239.39 - Step 6: Final answer
x = 303.08
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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.