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Finding the Fourth Proportional to 630.12, 938.80 and 599.10

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Solution

The fourth proportional to 630.12, 938.80 and 599.10 is: 892.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.12 : 938.80 = 599.10 : x
  2. Step 2: Convert to fraction form
    630.12/938.80 = 599.10/x
  3. Step 3: Cross multiply
    630.12x = 938.80 × 599.10
  4. Step 4: Simplify right side
    630.12x = 562,435.08
  5. Step 5: Solve for x
    x = 562,435.08/630.12
  6. Step 6: Final answer
    x = 892.58

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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.