Finding the Fourth Proportional to 239.24, 358.25 and 202.79
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Solution
The fourth proportional to 239.24, 358.25 and 202.79 is: 303.66
Step by Step Solution
- Step 1: Write the proportion equation
239.24 : 358.25 = 202.79 : x - Step 2: Convert to fraction form
239.24/358.25 = 202.79/x - Step 3: Cross multiply
239.24x = 358.25 × 202.79 - Step 4: Simplify right side
239.24x = 72,646.71 - Step 5: Solve for x
x = 72,646.71/239.24 - Step 6: Final answer
x = 303.66
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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.