Finding the Fourth Proportional to 302.24, 417.18 and 197.14
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Solution
The fourth proportional to 302.24, 417.18 and 197.14 is: 272.11
Step by Step Solution
- Step 1: Write the proportion equation
302.24 : 417.18 = 197.14 : x - Step 2: Convert to fraction form
302.24/417.18 = 197.14/x - Step 3: Cross multiply
302.24x = 417.18 × 197.14 - Step 4: Simplify right side
302.24x = 82,242.23 - Step 5: Solve for x
x = 82,242.23/302.24 - Step 6: Final answer
x = 272.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.