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Finding the Fourth Proportional to 604.92, 828.53 and 569.45

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Solution

The fourth proportional to 604.92, 828.53 and 569.45 is: 779.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.92 : 828.53 = 569.45 : x
  2. Step 2: Convert to fraction form
    604.92/828.53 = 569.45/x
  3. Step 3: Cross multiply
    604.92x = 828.53 × 569.45
  4. Step 4: Simplify right side
    604.92x = 471,806.41
  5. Step 5: Solve for x
    x = 471,806.41/604.92
  6. Step 6: Final answer
    x = 779.95

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.