Finding the Fourth Proportional to 331.99, 458.15 and 184.63
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Solution
The fourth proportional to 331.99, 458.15 and 184.63 is: 254.79
Step by Step Solution
- Step 1: Write the proportion equation
331.99 : 458.15 = 184.63 : x - Step 2: Convert to fraction form
331.99/458.15 = 184.63/x - Step 3: Cross multiply
331.99x = 458.15 × 184.63 - Step 4: Simplify right side
331.99x = 84,588.23 - Step 5: Solve for x
x = 84,588.23/331.99 - Step 6: Final answer
x = 254.79
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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.