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Finding the Fourth Proportional to 1,040.44, 1,560.04 and 346.94

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Solution

The fourth proportional to 1,040.44, 1,560.04 and 346.94 is: 520.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040.44 : 1,560.04 = 346.94 : x
  2. Step 2: Convert to fraction form
    1,040.44/1,560.04 = 346.94/x
  3. Step 3: Cross multiply
    1,040.44x = 1,560.04 × 346.94
  4. Step 4: Simplify right side
    1,040.44x = 541,240.28
  5. Step 5: Solve for x
    x = 541,240.28/1,040.44
  6. Step 6: Final answer
    x = 520.20

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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.