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Finding the Fourth Proportional to 252.01, 377.28 and 147.58

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Solution

The fourth proportional to 252.01, 377.28 and 147.58 is: 220.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.01 : 377.28 = 147.58 : x
  2. Step 2: Convert to fraction form
    252.01/377.28 = 147.58/x
  3. Step 3: Cross multiply
    252.01x = 377.28 × 147.58
  4. Step 4: Simplify right side
    252.01x = 55,678.98
  5. Step 5: Solve for x
    x = 55,678.98/252.01
  6. Step 6: Final answer
    x = 220.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.