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Finding the Fourth Proportional to 630.51, 942.14 and 481.46

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Solution

The fourth proportional to 630.51, 942.14 and 481.46 is: 719.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.51 : 942.14 = 481.46 : x
  2. Step 2: Convert to fraction form
    630.51/942.14 = 481.46/x
  3. Step 3: Cross multiply
    630.51x = 942.14 × 481.46
  4. Step 4: Simplify right side
    630.51x = 453,595.61
  5. Step 5: Solve for x
    x = 453,595.61/630.51
  6. Step 6: Final answer
    x = 719.41

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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.