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Finding the Fourth Proportional to 621.64, 928.79 and 600.10

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Solution

The fourth proportional to 621.64, 928.79 and 600.10 is: 896.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    621.64 : 928.79 = 600.10 : x
  2. Step 2: Convert to fraction form
    621.64/928.79 = 600.10/x
  3. Step 3: Cross multiply
    621.64x = 928.79 × 600.10
  4. Step 4: Simplify right side
    621.64x = 557,366.88
  5. Step 5: Solve for x
    x = 557,366.88/621.64
  6. Step 6: Final answer
    x = 896.61

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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.