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Finding the Fourth Proportional to 630.44, 939.11 and 598.84

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Solution

The fourth proportional to 630.44, 939.11 and 598.84 is: 892.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.44 : 939.11 = 598.84 : x
  2. Step 2: Convert to fraction form
    630.44/939.11 = 598.84/x
  3. Step 3: Cross multiply
    630.44x = 939.11 × 598.84
  4. Step 4: Simplify right side
    630.44x = 562,376.63
  5. Step 5: Solve for x
    x = 562,376.63/630.44
  6. Step 6: Final answer
    x = 892.04

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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.