Finding the Fourth Proportional to 432.60, 597.09 and 285.26
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Solution
The fourth proportional to 432.60, 597.09 and 285.26 is: 393.72
Step by Step Solution
- Step 1: Write the proportion equation
432.60 : 597.09 = 285.26 : x - Step 2: Convert to fraction form
432.60/597.09 = 285.26/x - Step 3: Cross multiply
432.60x = 597.09 × 285.26 - Step 4: Simplify right side
432.60x = 170,322.91 - Step 5: Solve for x
x = 170,322.91/432.60 - Step 6: Final answer
x = 393.72
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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.