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Finding the Fourth Proportional to 434.25, 599.22 and 247.74

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Solution

The fourth proportional to 434.25, 599.22 and 247.74 is: 341.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.25 : 599.22 = 247.74 : x
  2. Step 2: Convert to fraction form
    434.25/599.22 = 247.74/x
  3. Step 3: Cross multiply
    434.25x = 599.22 × 247.74
  4. Step 4: Simplify right side
    434.25x = 148,450.76
  5. Step 5: Solve for x
    x = 148,450.76/434.25
  6. Step 6: Final answer
    x = 341.86

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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.