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Finding the Fourth Proportional to 1,063.53, 1,595.19 and 333.11

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Solution

The fourth proportional to 1,063.53, 1,595.19 and 333.11 is: 499.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.53 : 1,595.19 = 333.11 : x
  2. Step 2: Convert to fraction form
    1,063.53/1,595.19 = 333.11/x
  3. Step 3: Cross multiply
    1,063.53x = 1,595.19 × 333.11
  4. Step 4: Simplify right side
    1,063.53x = 531,378.98
  5. Step 5: Solve for x
    x = 531,378.98/1,063.53
  6. Step 6: Final answer
    x = 499.64

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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.