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Finding the Fourth Proportional to 363.88, 541.49 and 356.32

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Solution

The fourth proportional to 363.88, 541.49 and 356.32 is: 530.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.88 : 541.49 = 356.32 : x
  2. Step 2: Convert to fraction form
    363.88/541.49 = 356.32/x
  3. Step 3: Cross multiply
    363.88x = 541.49 × 356.32
  4. Step 4: Simplify right side
    363.88x = 192,943.72
  5. Step 5: Solve for x
    x = 192,943.72/363.88
  6. Step 6: Final answer
    x = 530.24

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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.