Finding the Fourth Proportional to 455.55, 682.54 and 358.68
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Solution
The fourth proportional to 455.55, 682.54 and 358.68 is: 537.39
Step by Step Solution
- Step 1: Write the proportion equation
455.55 : 682.54 = 358.68 : x - Step 2: Convert to fraction form
455.55/682.54 = 358.68/x - Step 3: Cross multiply
455.55x = 682.54 × 358.68 - Step 4: Simplify right side
455.55x = 244,808.24 - Step 5: Solve for x
x = 244,808.24/455.55 - Step 6: Final answer
x = 537.39
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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.