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Finding the Fourth Proportional to 284.07, 426.03 and 110.67

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Solution

The fourth proportional to 284.07, 426.03 and 110.67 is: 165.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    284.07 : 426.03 = 110.67 : x
  2. Step 2: Convert to fraction form
    284.07/426.03 = 110.67/x
  3. Step 3: Cross multiply
    284.07x = 426.03 × 110.67
  4. Step 4: Simplify right side
    284.07x = 47,148.74
  5. Step 5: Solve for x
    x = 47,148.74/284.07
  6. Step 6: Final answer
    x = 165.98

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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.