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Finding the Fourth Proportional to 611.25, 843.58 and 362.58

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Solution

The fourth proportional to 611.25, 843.58 and 362.58 is: 500.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    611.25 : 843.58 = 362.58 : x
  2. Step 2: Convert to fraction form
    611.25/843.58 = 362.58/x
  3. Step 3: Cross multiply
    611.25x = 843.58 × 362.58
  4. Step 4: Simplify right side
    611.25x = 305,865.24
  5. Step 5: Solve for x
    x = 305,865.24/611.25
  6. Step 6: Final answer
    x = 500.39

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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.