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Finding the Fourth Proportional to 272.01, 375.28 and 188.93

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Solution

The fourth proportional to 272.01, 375.28 and 188.93 is: 260.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.01 : 375.28 = 188.93 : x
  2. Step 2: Convert to fraction form
    272.01/375.28 = 188.93/x
  3. Step 3: Cross multiply
    272.01x = 375.28 × 188.93
  4. Step 4: Simplify right side
    272.01x = 70,903.18
  5. Step 5: Solve for x
    x = 70,903.18/272.01
  6. Step 6: Final answer
    x = 260.67

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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.