Finding the Fourth Proportional to 288.84, 432.75 and 201.99
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Solution
The fourth proportional to 288.84, 432.75 and 201.99 is: 302.63
Step by Step Solution
- Step 1: Write the proportion equation
288.84 : 432.75 = 201.99 : x - Step 2: Convert to fraction form
288.84/432.75 = 201.99/x - Step 3: Cross multiply
288.84x = 432.75 × 201.99 - Step 4: Simplify right side
288.84x = 87,410.42 - Step 5: Solve for x
x = 87,410.42/288.84 - Step 6: Final answer
x = 302.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.