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Finding the Fourth Proportional to 1,026.59, 1,540.04 and 377.27

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Solution

The fourth proportional to 1,026.59, 1,540.04 and 377.27 is: 565.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.59 : 1,540.04 = 377.27 : x
  2. Step 2: Convert to fraction form
    1,026.59/1,540.04 = 377.27/x
  3. Step 3: Cross multiply
    1,026.59x = 1,540.04 × 377.27
  4. Step 4: Simplify right side
    1,026.59x = 581,012.85
  5. Step 5: Solve for x
    x = 581,012.85/1,026.59
  6. Step 6: Final answer
    x = 565.96

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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.