Finding the Fourth Proportional to 266.96, 368.36 and 156.44
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Solution
The fourth proportional to 266.96, 368.36 and 156.44 is: 215.86
Step by Step Solution
- Step 1: Write the proportion equation
266.96 : 368.36 = 156.44 : x - Step 2: Convert to fraction form
266.96/368.36 = 156.44/x - Step 3: Cross multiply
266.96x = 368.36 × 156.44 - Step 4: Simplify right side
266.96x = 57,626.24 - Step 5: Solve for x
x = 57,626.24/266.96 - Step 6: Final answer
x = 215.86
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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.