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Finding the Fourth Proportional to 361.51, 498.10 and 244.87

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Solution

The fourth proportional to 361.51, 498.10 and 244.87 is: 337.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.51 : 498.10 = 244.87 : x
  2. Step 2: Convert to fraction form
    361.51/498.10 = 244.87/x
  3. Step 3: Cross multiply
    361.51x = 498.10 × 244.87
  4. Step 4: Simplify right side
    361.51x = 121,969.75
  5. Step 5: Solve for x
    x = 121,969.75/361.51
  6. Step 6: Final answer
    x = 337.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.