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Finding the Fourth Proportional to 625.51, 860.79 and 607.33

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Solution

The fourth proportional to 625.51, 860.79 and 607.33 is: 835.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.51 : 860.79 = 607.33 : x
  2. Step 2: Convert to fraction form
    625.51/860.79 = 607.33/x
  3. Step 3: Cross multiply
    625.51x = 860.79 × 607.33
  4. Step 4: Simplify right side
    625.51x = 522,783.59
  5. Step 5: Solve for x
    x = 522,783.59/625.51
  6. Step 6: Final answer
    x = 835.77

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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.