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Finding the Fourth Proportional to 272.30, 373.55 and 265.41

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Solution

The fourth proportional to 272.30, 373.55 and 265.41 is: 364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.30 : 373.55 = 265.41 : x
  2. Step 2: Convert to fraction form
    272.30/373.55 = 265.41/x
  3. Step 3: Cross multiply
    272.30x = 373.55 × 265.41
  4. Step 4: Simplify right side
    272.30x = 99,142.58
  5. Step 5: Solve for x
    x = 99,142.58/272.30
  6. Step 6: Final answer
    x = 364.10

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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.