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Finding the Fourth Proportional to 1,036.99, 1,555.33 and 344.14

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Solution

The fourth proportional to 1,036.99, 1,555.33 and 344.14 is: 516.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.99 : 1,555.33 = 344.14 : x
  2. Step 2: Convert to fraction form
    1,036.99/1,555.33 = 344.14/x
  3. Step 3: Cross multiply
    1,036.99x = 1,555.33 × 344.14
  4. Step 4: Simplify right side
    1,036.99x = 535,251.27
  5. Step 5: Solve for x
    x = 535,251.27/1,036.99
  6. Step 6: Final answer
    x = 516.16

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Double scale
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1.5x scale

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.