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Finding the Fourth Proportional to 583.50, 875.37 and 172.62

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Solution

The fourth proportional to 583.50, 875.37 and 172.62 is: 258.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.50 : 875.37 = 172.62 : x
  2. Step 2: Convert to fraction form
    583.50/875.37 = 172.62/x
  3. Step 3: Cross multiply
    583.50x = 875.37 × 172.62
  4. Step 4: Simplify right side
    583.50x = 151,106.37
  5. Step 5: Solve for x
    x = 151,106.37/583.50
  6. Step 6: Final answer
    x = 258.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.