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Finding the Fourth Proportional to 354.56, 535.04 and 341.28

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Solution

The fourth proportional to 354.56, 535.04 and 341.28 is: 515.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    354.56 : 535.04 = 341.28 : x
  2. Step 2: Convert to fraction form
    354.56/535.04 = 341.28/x
  3. Step 3: Cross multiply
    354.56x = 535.04 × 341.28
  4. Step 4: Simplify right side
    354.56x = 182,598.45
  5. Step 5: Solve for x
    x = 182,598.45/354.56
  6. Step 6: Final answer
    x = 515.00

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.