Home / 212.24-317.45-182.18

Finding the Fourth Proportional to 212.24, 317.45 and 182.18

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Solution

The fourth proportional to 212.24, 317.45 and 182.18 is: 272.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    212.24 : 317.45 = 182.18 : x
  2. Step 2: Convert to fraction form
    212.24/317.45 = 182.18/x
  3. Step 3: Cross multiply
    212.24x = 317.45 × 182.18
  4. Step 4: Simplify right side
    212.24x = 57,834.29
  5. Step 5: Solve for x
    x = 57,834.29/212.24
  6. Step 6: Final answer
    x = 272.49

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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.