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Finding the Fourth Proportional to 625.19, 856.50 and 601.82

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Solution

The fourth proportional to 625.19, 856.50 and 601.82 is: 824.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.19 : 856.50 = 601.82 : x
  2. Step 2: Convert to fraction form
    625.19/856.50 = 601.82/x
  3. Step 3: Cross multiply
    625.19x = 856.50 × 601.82
  4. Step 4: Simplify right side
    625.19x = 515,453.68
  5. Step 5: Solve for x
    x = 515,453.68/625.19
  6. Step 6: Final answer
    x = 824.48

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.