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Finding the Fourth Proportional to 1,536.03, 2,303.82 and 561.91

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Solution

The fourth proportional to 1,536.03, 2,303.82 and 561.91 is: 842.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536.03 : 2,303.82 = 561.91 : x
  2. Step 2: Convert to fraction form
    1,536.03/2,303.82 = 561.91/x
  3. Step 3: Cross multiply
    1,536.03x = 2,303.82 × 561.91
  4. Step 4: Simplify right side
    1,536.03x = 1,294,539.50
  5. Step 5: Solve for x
    x = 1,294,539.50/1,536.03
  6. Step 6: Final answer
    x = 842.78

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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.