Finding the Fourth Proportional to 267.51, 369.23 and 156.99
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Solution
The fourth proportional to 267.51, 369.23 and 156.99 is: 216.68
Step by Step Solution
- Step 1: Write the proportion equation
267.51 : 369.23 = 156.99 : x - Step 2: Convert to fraction form
267.51/369.23 = 156.99/x - Step 3: Cross multiply
267.51x = 369.23 × 156.99 - Step 4: Simplify right side
267.51x = 57,964.63 - Step 5: Solve for x
x = 57,964.63/267.51 - Step 6: Final answer
x = 216.68
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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.