Home / 1,222.16-1,833.23-297.69

Finding the Fourth Proportional to 1,222.16, 1,833.23 and 297.69

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Solution

The fourth proportional to 1,222.16, 1,833.23 and 297.69 is: 446.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222.16 : 1,833.23 = 297.69 : x
  2. Step 2: Convert to fraction form
    1,222.16/1,833.23 = 297.69/x
  3. Step 3: Cross multiply
    1,222.16x = 1,833.23 × 297.69
  4. Step 4: Simplify right side
    1,222.16x = 545,732.75
  5. Step 5: Solve for x
    x = 545,732.75/1,222.16
  6. Step 6: Final answer
    x = 446.53

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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.