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Finding the Fourth Proportional to 535.28, 737.21 and 461.57

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Solution

The fourth proportional to 535.28, 737.21 and 461.57 is: 635.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.28 : 737.21 = 461.57 : x
  2. Step 2: Convert to fraction form
    535.28/737.21 = 461.57/x
  3. Step 3: Cross multiply
    535.28x = 737.21 × 461.57
  4. Step 4: Simplify right side
    535.28x = 340,277.02
  5. Step 5: Solve for x
    x = 340,277.02/535.28
  6. Step 6: Final answer
    x = 635.70

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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.