Finding the Fourth Proportional to 214.94, 322.14 and 93.06
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Solution
The fourth proportional to 214.94, 322.14 and 93.06 is: 139.47
Step by Step Solution
- Step 1: Write the proportion equation
214.94 : 322.14 = 93.06 : x - Step 2: Convert to fraction form
214.94/322.14 = 93.06/x - Step 3: Cross multiply
214.94x = 322.14 × 93.06 - Step 4: Simplify right side
214.94x = 29,977.01 - Step 5: Solve for x
x = 29,977.01/214.94 - Step 6: Final answer
x = 139.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.