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Finding the Fourth Proportional to 1,302.43, 1,953.57 and 377.97

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Solution

The fourth proportional to 1,302.43, 1,953.57 and 377.97 is: 566.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302.43 : 1,953.57 = 377.97 : x
  2. Step 2: Convert to fraction form
    1,302.43/1,953.57 = 377.97/x
  3. Step 3: Cross multiply
    1,302.43x = 1,953.57 × 377.97
  4. Step 4: Simplify right side
    1,302.43x = 738,382.82
  5. Step 5: Solve for x
    x = 738,382.82/1,302.43
  6. Step 6: Final answer
    x = 566.93

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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.