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Finding the Fourth Proportional to 604.08, 833.58 and 454.86

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Solution

The fourth proportional to 604.08, 833.58 and 454.86 is: 627.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.08 : 833.58 = 454.86 : x
  2. Step 2: Convert to fraction form
    604.08/833.58 = 454.86/x
  3. Step 3: Cross multiply
    604.08x = 833.58 × 454.86
  4. Step 4: Simplify right side
    604.08x = 379,162.20
  5. Step 5: Solve for x
    x = 379,162.20/604.08
  6. Step 6: Final answer
    x = 627.67

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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.