Finding the Fourth Proportional to 207.84, 286 and 202.08
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Solution
The fourth proportional to 207.84, 286 and 202.08 is: 278.07
Step by Step Solution
- Step 1: Write the proportion equation
207.84 : 286 = 202.08 : x - Step 2: Convert to fraction form
207.84/286 = 202.08/x - Step 3: Cross multiply
207.84x = 286 × 202.08 - Step 4: Simplify right side
207.84x = 57,794.88 - Step 5: Solve for x
x = 57,794.88/207.84 - Step 6: Final answer
x = 278.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.