Finding the Fourth Proportional to 267.70, 368.93 and 202.10
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Solution
The fourth proportional to 267.70, 368.93 and 202.10 is: 278.52
Step by Step Solution
- Step 1: Write the proportion equation
267.70 : 368.93 = 202.10 : x - Step 2: Convert to fraction form
267.70/368.93 = 202.10/x - Step 3: Cross multiply
267.70x = 368.93 × 202.10 - Step 4: Simplify right side
267.70x = 74,560.75 - Step 5: Solve for x
x = 74,560.75/267.70 - Step 6: Final answer
x = 278.52
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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.