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Finding the Fourth Proportional to 454.99, 682.50 and 352.93

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Solution

The fourth proportional to 454.99, 682.50 and 352.93 is: 529.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    454.99 : 682.50 = 352.93 : x
  2. Step 2: Convert to fraction form
    454.99/682.50 = 352.93/x
  3. Step 3: Cross multiply
    454.99x = 682.50 × 352.93
  4. Step 4: Simplify right side
    454.99x = 240,874.73
  5. Step 5: Solve for x
    x = 240,874.73/454.99
  6. Step 6: Final answer
    x = 529.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.