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Finding the Fourth Proportional to 620.12, 934.83 and 524.60

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Solution

The fourth proportional to 620.12, 934.83 and 524.60 is: 790.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    620.12 : 934.83 = 524.60 : x
  2. Step 2: Convert to fraction form
    620.12/934.83 = 524.60/x
  3. Step 3: Cross multiply
    620.12x = 934.83 × 524.60
  4. Step 4: Simplify right side
    620.12x = 490,411.82
  5. Step 5: Solve for x
    x = 490,411.82/620.12
  6. Step 6: Final answer
    x = 790.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.