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Finding the Fourth Proportional to 1,050.33, 1,573.86 and 400.71

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Solution

The fourth proportional to 1,050.33, 1,573.86 and 400.71 is: 600.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.33 : 1,573.86 = 400.71 : x
  2. Step 2: Convert to fraction form
    1,050.33/1,573.86 = 400.71/x
  3. Step 3: Cross multiply
    1,050.33x = 1,573.86 × 400.71
  4. Step 4: Simplify right side
    1,050.33x = 630,661.44
  5. Step 5: Solve for x
    x = 630,661.44/1,050.33
  6. Step 6: Final answer
    x = 600.44

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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.