Finding the Fourth Proportional to 239.08, 358.35 and 109.19
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Solution
The fourth proportional to 239.08, 358.35 and 109.19 is: 163.66
Step by Step Solution
- Step 1: Write the proportion equation
239.08 : 358.35 = 109.19 : x - Step 2: Convert to fraction form
239.08/358.35 = 109.19/x - Step 3: Cross multiply
239.08x = 358.35 × 109.19 - Step 4: Simplify right side
239.08x = 39,128.24 - Step 5: Solve for x
x = 39,128.24/239.08 - Step 6: Final answer
x = 163.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.