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Finding the Fourth Proportional to 363.53, 501.54 and 258.63

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Solution

The fourth proportional to 363.53, 501.54 and 258.63 is: 356.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.53 : 501.54 = 258.63 : x
  2. Step 2: Convert to fraction form
    363.53/501.54 = 258.63/x
  3. Step 3: Cross multiply
    363.53x = 501.54 × 258.63
  4. Step 4: Simplify right side
    363.53x = 129,713.29
  5. Step 5: Solve for x
    x = 129,713.29/363.53
  6. Step 6: Final answer
    x = 356.82

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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.