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Finding the Fourth Proportional to 620.12, 928.06 and 594.61

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Solution

The fourth proportional to 620.12, 928.06 and 594.61 is: 889.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    620.12 : 928.06 = 594.61 : x
  2. Step 2: Convert to fraction form
    620.12/928.06 = 594.61/x
  3. Step 3: Cross multiply
    620.12x = 928.06 × 594.61
  4. Step 4: Simplify right side
    620.12x = 551,829.95
  5. Step 5: Solve for x
    x = 551,829.95/620.12
  6. Step 6: Final answer
    x = 889.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.