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Finding the Fourth Proportional to 604.66, 833.58 and 472.06

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Solution

The fourth proportional to 604.66, 833.58 and 472.06 is: 650.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.66 : 833.58 = 472.06 : x
  2. Step 2: Convert to fraction form
    604.66/833.58 = 472.06/x
  3. Step 3: Cross multiply
    604.66x = 833.58 × 472.06
  4. Step 4: Simplify right side
    604.66x = 393,499.77
  5. Step 5: Solve for x
    x = 393,499.77/604.66
  6. Step 6: Final answer
    x = 650.78

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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.