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Finding the Fourth Proportional to 1,049.36, 1,573.08 and 536.72

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Solution

The fourth proportional to 1,049.36, 1,573.08 and 536.72 is: 804.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049.36 : 1,573.08 = 536.72 : x
  2. Step 2: Convert to fraction form
    1,049.36/1,573.08 = 536.72/x
  3. Step 3: Cross multiply
    1,049.36x = 1,573.08 × 536.72
  4. Step 4: Simplify right side
    1,049.36x = 844,303.50
  5. Step 5: Solve for x
    x = 844,303.50/1,049.36
  6. Step 6: Final answer
    x = 804.59

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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.