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Finding the Fourth Proportional to 409.74, 615.06 and 227.49

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Solution

The fourth proportional to 409.74, 615.06 and 227.49 is: 341.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    409.74 : 615.06 = 227.49 : x
  2. Step 2: Convert to fraction form
    409.74/615.06 = 227.49/x
  3. Step 3: Cross multiply
    409.74x = 615.06 × 227.49
  4. Step 4: Simplify right side
    409.74x = 139,920.00
  5. Step 5: Solve for x
    x = 139,920.00/409.74
  6. Step 6: Final answer
    x = 341.48

Related Problems

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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.