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Finding the Fourth Proportional to 534.20, 737.10 and 357.56

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Solution

The fourth proportional to 534.20, 737.10 and 357.56 is: 493.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.20 : 737.10 = 357.56 : x
  2. Step 2: Convert to fraction form
    534.20/737.10 = 357.56/x
  3. Step 3: Cross multiply
    534.20x = 737.10 × 357.56
  4. Step 4: Simplify right side
    534.20x = 263,560.70
  5. Step 5: Solve for x
    x = 263,560.70/534.20
  6. Step 6: Final answer
    x = 493.38

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1.5x scale

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.