Home / 1,225.41-1,838.10-300.96

Finding the Fourth Proportional to 1,225.41, 1,838.10 and 300.96

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Solution

The fourth proportional to 1,225.41, 1,838.10 and 300.96 is: 451.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225.41 : 1,838.10 = 300.96 : x
  2. Step 2: Convert to fraction form
    1,225.41/1,838.10 = 300.96/x
  3. Step 3: Cross multiply
    1,225.41x = 1,838.10 × 300.96
  4. Step 4: Simplify right side
    1,225.41x = 553,194.58
  5. Step 5: Solve for x
    x = 553,194.58/1,225.41
  6. Step 6: Final answer
    x = 451.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.