Finding the Fourth Proportional to 432.59, 596.93 and 257.99
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Solution
The fourth proportional to 432.59, 596.93 and 257.99 is: 355.99
Step by Step Solution
- Step 1: Write the proportion equation
432.59 : 596.93 = 257.99 : x - Step 2: Convert to fraction form
432.59/596.93 = 257.99/x - Step 3: Cross multiply
432.59x = 596.93 × 257.99 - Step 4: Simplify right side
432.59x = 153,997.70 - Step 5: Solve for x
x = 153,997.70/432.59 - Step 6: Final answer
x = 355.99
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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.