Home / 213.24-318.95-183.18

Finding the Fourth Proportional to 213.24, 318.95 and 183.18

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Solution

The fourth proportional to 213.24, 318.95 and 183.18 is: 273.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    213.24 : 318.95 = 183.18 : x
  2. Step 2: Convert to fraction form
    213.24/318.95 = 183.18/x
  3. Step 3: Cross multiply
    213.24x = 318.95 × 183.18
  4. Step 4: Simplify right side
    213.24x = 58,425.26
  5. Step 5: Solve for x
    x = 58,425.26/213.24
  6. Step 6: Final answer
    x = 273.99

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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.