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Finding the Fourth Proportional to 1,033.95, 1,550.92 and 264.45

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Solution

The fourth proportional to 1,033.95, 1,550.92 and 264.45 is: 396.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.95 : 1,550.92 = 264.45 : x
  2. Step 2: Convert to fraction form
    1,033.95/1,550.92 = 264.45/x
  3. Step 3: Cross multiply
    1,033.95x = 1,550.92 × 264.45
  4. Step 4: Simplify right side
    1,033.95x = 410,140.79
  5. Step 5: Solve for x
    x = 410,140.79/1,033.95
  6. Step 6: Final answer
    x = 396.67

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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.