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Finding the Fourth Proportional to 335.92, 501.48 and 258.44

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Solution

The fourth proportional to 335.92, 501.48 and 258.44 is: 385.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.92 : 501.48 = 258.44 : x
  2. Step 2: Convert to fraction form
    335.92/501.48 = 258.44/x
  3. Step 3: Cross multiply
    335.92x = 501.48 × 258.44
  4. Step 4: Simplify right side
    335.92x = 129,602.49
  5. Step 5: Solve for x
    x = 129,602.49/335.92
  6. Step 6: Final answer
    x = 385.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.