Finding the Fourth Proportional to 370.70, 555.64 and 197.19
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Solution
The fourth proportional to 370.70, 555.64 and 197.19 is: 295.57
Step by Step Solution
- Step 1: Write the proportion equation
370.70 : 555.64 = 197.19 : x - Step 2: Convert to fraction form
370.70/555.64 = 197.19/x - Step 3: Cross multiply
370.70x = 555.64 × 197.19 - Step 4: Simplify right side
370.70x = 109,564.81 - Step 5: Solve for x
x = 109,564.81/370.70 - Step 6: Final answer
x = 295.57
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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.