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Finding the Fourth Proportional to 272.35, 375.84 and 148.01

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Solution

The fourth proportional to 272.35, 375.84 and 148.01 is: 204.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.35 : 375.84 = 148.01 : x
  2. Step 2: Convert to fraction form
    272.35/375.84 = 148.01/x
  3. Step 3: Cross multiply
    272.35x = 375.84 × 148.01
  4. Step 4: Simplify right side
    272.35x = 55,628.16
  5. Step 5: Solve for x
    x = 55,628.16/272.35
  6. Step 6: Final answer
    x = 204.25

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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.