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Finding the Fourth Proportional to 535.16, 737.91 and 490.52

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Solution

The fourth proportional to 535.16, 737.91 and 490.52 is: 676.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.16 : 737.91 = 490.52 : x
  2. Step 2: Convert to fraction form
    535.16/737.91 = 490.52/x
  3. Step 3: Cross multiply
    535.16x = 737.91 × 490.52
  4. Step 4: Simplify right side
    535.16x = 361,961.46
  5. Step 5: Solve for x
    x = 361,961.46/535.16
  6. Step 6: Final answer
    x = 676.36

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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.