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Finding the Fourth Proportional to 353.04, 527.08 and 298.36

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Solution

The fourth proportional to 353.04, 527.08 and 298.36 is: 445.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.04 : 527.08 = 298.36 : x
  2. Step 2: Convert to fraction form
    353.04/527.08 = 298.36/x
  3. Step 3: Cross multiply
    353.04x = 527.08 × 298.36
  4. Step 4: Simplify right side
    353.04x = 157,259.59
  5. Step 5: Solve for x
    x = 157,259.59/353.04
  6. Step 6: Final answer
    x = 445.44

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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.