Finding the Fourth Proportional to 402.03, 554.00 and 261.99
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Solution
The fourth proportional to 402.03, 554.00 and 261.99 is: 361.02
Step by Step Solution
- Step 1: Write the proportion equation
402.03 : 554.00 = 261.99 : x - Step 2: Convert to fraction form
402.03/554.00 = 261.99/x - Step 3: Cross multiply
402.03x = 554.00 × 261.99 - Step 4: Simplify right side
402.03x = 145,141.15 - Step 5: Solve for x
x = 145,141.15/402.03 - Step 6: Final answer
x = 361.02
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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.