Finding the Fourth Proportional to 384.68, 531.42 and 332.84
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Solution
The fourth proportional to 384.68, 531.42 and 332.84 is: 459.81
Step by Step Solution
- Step 1: Write the proportion equation
384.68 : 531.42 = 332.84 : x - Step 2: Convert to fraction form
384.68/531.42 = 332.84/x - Step 3: Cross multiply
384.68x = 531.42 × 332.84 - Step 4: Simplify right side
384.68x = 176,877.83 - Step 5: Solve for x
x = 176,877.83/384.68 - Step 6: Final answer
x = 459.81
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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.