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Finding the Fourth Proportional to 1,050.95, 1,576.44 and 465.65

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Solution

The fourth proportional to 1,050.95, 1,576.44 and 465.65 is: 698.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.95 : 1,576.44 = 465.65 : x
  2. Step 2: Convert to fraction form
    1,050.95/1,576.44 = 465.65/x
  3. Step 3: Cross multiply
    1,050.95x = 1,576.44 × 465.65
  4. Step 4: Simplify right side
    1,050.95x = 734,069.29
  5. Step 5: Solve for x
    x = 734,069.29/1,050.95
  6. Step 6: Final answer
    x = 698.48

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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.