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Finding the Fourth Proportional to 363.63, 541.39 and 342.57

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Solution

The fourth proportional to 363.63, 541.39 and 342.57 is: 510.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.63 : 541.39 = 342.57 : x
  2. Step 2: Convert to fraction form
    363.63/541.39 = 342.57/x
  3. Step 3: Cross multiply
    363.63x = 541.39 × 342.57
  4. Step 4: Simplify right side
    363.63x = 185,463.12
  5. Step 5: Solve for x
    x = 185,463.12/363.63
  6. Step 6: Final answer
    x = 510.03

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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.