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Finding the Fourth Proportional to 1,037.70, 1,556.46 and 344.14

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Solution

The fourth proportional to 1,037.70, 1,556.46 and 344.14 is: 516.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.70 : 1,556.46 = 344.14 : x
  2. Step 2: Convert to fraction form
    1,037.70/1,556.46 = 344.14/x
  3. Step 3: Cross multiply
    1,037.70x = 1,556.46 × 344.14
  4. Step 4: Simplify right side
    1,037.70x = 535,642.09
  5. Step 5: Solve for x
    x = 535,642.09/1,037.70
  6. Step 6: Final answer
    x = 516.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.