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Finding the Fourth Proportional to 434.15, 599.21 and 268.32

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Solution

The fourth proportional to 434.15, 599.21 and 268.32 is: 370.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.15 : 599.21 = 268.32 : x
  2. Step 2: Convert to fraction form
    434.15/599.21 = 268.32/x
  3. Step 3: Cross multiply
    434.15x = 599.21 × 268.32
  4. Step 4: Simplify right side
    434.15x = 160,780.03
  5. Step 5: Solve for x
    x = 160,780.03/434.15
  6. Step 6: Final answer
    x = 370.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.