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Finding the Fourth Proportional to 601.76, 898.83 and 479.66

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Solution

The fourth proportional to 601.76, 898.83 and 479.66 is: 716.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.76 : 898.83 = 479.66 : x
  2. Step 2: Convert to fraction form
    601.76/898.83 = 479.66/x
  3. Step 3: Cross multiply
    601.76x = 898.83 × 479.66
  4. Step 4: Simplify right side
    601.76x = 431,128.30
  5. Step 5: Solve for x
    x = 431,128.30/601.76
  6. Step 6: Final answer
    x = 716.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.