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Finding the Fourth Proportional to 245.10, 366.33 and 225.65

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Solution

The fourth proportional to 245.10, 366.33 and 225.65 is: 337.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.10 : 366.33 = 225.65 : x
  2. Step 2: Convert to fraction form
    245.10/366.33 = 225.65/x
  3. Step 3: Cross multiply
    245.10x = 366.33 × 225.65
  4. Step 4: Simplify right side
    245.10x = 82,660.53
  5. Step 5: Solve for x
    x = 82,660.53/245.10
  6. Step 6: Final answer
    x = 337.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.