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Finding the Fourth Proportional to 371.49, 557.28 and 294.59

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Solution

The fourth proportional to 371.49, 557.28 and 294.59 is: 441.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.49 : 557.28 = 294.59 : x
  2. Step 2: Convert to fraction form
    371.49/557.28 = 294.59/x
  3. Step 3: Cross multiply
    371.49x = 557.28 × 294.59
  4. Step 4: Simplify right side
    371.49x = 164,170.51
  5. Step 5: Solve for x
    x = 164,170.51/371.49
  6. Step 6: Final answer
    x = 441.93

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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.