Finding the Fourth Proportional to 133.36, 201.06 and 124.08
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Solution
The fourth proportional to 133.36, 201.06 and 124.08 is: 187.07
Step by Step Solution
- Step 1: Write the proportion equation
133.36 : 201.06 = 124.08 : x - Step 2: Convert to fraction form
133.36/201.06 = 124.08/x - Step 3: Cross multiply
133.36x = 201.06 × 124.08 - Step 4: Simplify right side
133.36x = 24,947.52 - Step 5: Solve for x
x = 24,947.52/133.36 - Step 6: Final answer
x = 187.07
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.