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Finding the Fourth Proportional to 272.04, 373 and 258.12

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Solution

The fourth proportional to 272.04, 373 and 258.12 is: 353.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.04 : 373 = 258.12 : x
  2. Step 2: Convert to fraction form
    272.04/373 = 258.12/x
  3. Step 3: Cross multiply
    272.04x = 373 × 258.12
  4. Step 4: Simplify right side
    272.04x = 96,278.76
  5. Step 5: Solve for x
    x = 96,278.76/272.04
  6. Step 6: Final answer
    x = 353.91

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.