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Finding the Fourth Proportional to 558.95, 843.42 and 536.47

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Solution

The fourth proportional to 558.95, 843.42 and 536.47 is: 809.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.95 : 843.42 = 536.47 : x
  2. Step 2: Convert to fraction form
    558.95/843.42 = 536.47/x
  3. Step 3: Cross multiply
    558.95x = 843.42 × 536.47
  4. Step 4: Simplify right side
    558.95x = 452,467.42
  5. Step 5: Solve for x
    x = 452,467.42/558.95
  6. Step 6: Final answer
    x = 809.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.