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Finding the Fourth Proportional to 363.68, 501.36 and 260

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Solution

The fourth proportional to 363.68, 501.36 and 260 is: 358.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.68 : 501.36 = 260 : x
  2. Step 2: Convert to fraction form
    363.68/501.36 = 260/x
  3. Step 3: Cross multiply
    363.68x = 501.36 × 260
  4. Step 4: Simplify right side
    363.68x = 130,353.60
  5. Step 5: Solve for x
    x = 130,353.60/363.68
  6. Step 6: Final answer
    x = 358.43

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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.