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Finding the Fourth Proportional to 272.07, 375.70 and 174.00

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Solution

The fourth proportional to 272.07, 375.70 and 174.00 is: 240.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.07 : 375.70 = 174.00 : x
  2. Step 2: Convert to fraction form
    272.07/375.70 = 174.00/x
  3. Step 3: Cross multiply
    272.07x = 375.70 × 174.00
  4. Step 4: Simplify right side
    272.07x = 65,370.42
  5. Step 5: Solve for x
    x = 65,370.42/272.07
  6. Step 6: Final answer
    x = 240.27

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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.