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Finding the Fourth Proportional to 630.51, 944.16 and 494.27

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Solution

The fourth proportional to 630.51, 944.16 and 494.27 is: 740.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.51 : 944.16 = 494.27 : x
  2. Step 2: Convert to fraction form
    630.51/944.16 = 494.27/x
  3. Step 3: Cross multiply
    630.51x = 944.16 × 494.27
  4. Step 4: Simplify right side
    630.51x = 466,669.96
  5. Step 5: Solve for x
    x = 466,669.96/630.51
  6. Step 6: Final answer
    x = 740.15

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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.