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Finding the Fourth Proportional to 456.53, 683.72 and 224.69

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Solution

The fourth proportional to 456.53, 683.72 and 224.69 is: 336.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    456.53 : 683.72 = 224.69 : x
  2. Step 2: Convert to fraction form
    456.53/683.72 = 224.69/x
  3. Step 3: Cross multiply
    456.53x = 683.72 × 224.69
  4. Step 4: Simplify right side
    456.53x = 153,620.50
  5. Step 5: Solve for x
    x = 153,620.50/456.53
  6. Step 6: Final answer
    x = 336.50

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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.