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Finding the Fourth Proportional to 608.48, 913 and 224

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Solution

The fourth proportional to 608.48, 913 and 224 is: 336.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.48 : 913 = 224 : x
  2. Step 2: Convert to fraction form
    608.48/913 = 224/x
  3. Step 3: Cross multiply
    608.48x = 913 × 224
  4. Step 4: Simplify right side
    608.48x = 204,512
  5. Step 5: Solve for x
    x = 204,512/608.48
  6. Step 6: Final answer
    x = 336.10

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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.