Finding the Fourth Proportional to 509.68, 763.53 and 304.41
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Solution
The fourth proportional to 509.68, 763.53 and 304.41 is: 456.02
Step by Step Solution
- Step 1: Write the proportion equation
509.68 : 763.53 = 304.41 : x - Step 2: Convert to fraction form
509.68/763.53 = 304.41/x - Step 3: Cross multiply
509.68x = 763.53 × 304.41 - Step 4: Simplify right side
509.68x = 232,424.26 - Step 5: Solve for x
x = 232,424.26/509.68 - Step 6: Final answer
x = 456.02
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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.