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Finding the Fourth Proportional to 611.23, 843.53 and 362.56

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Solution

The fourth proportional to 611.23, 843.53 and 362.56 is: 500.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    611.23 : 843.53 = 362.56 : x
  2. Step 2: Convert to fraction form
    611.23/843.53 = 362.56/x
  3. Step 3: Cross multiply
    611.23x = 843.53 × 362.56
  4. Step 4: Simplify right side
    611.23x = 305,830.24
  5. Step 5: Solve for x
    x = 305,830.24/611.23
  6. Step 6: Final answer
    x = 500.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.