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Finding the Fourth Proportional to 253.41, 379.95 and 150.72

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Solution

The fourth proportional to 253.41, 379.95 and 150.72 is: 225.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    253.41 : 379.95 = 150.72 : x
  2. Step 2: Convert to fraction form
    253.41/379.95 = 150.72/x
  3. Step 3: Cross multiply
    253.41x = 379.95 × 150.72
  4. Step 4: Simplify right side
    253.41x = 57,266.06
  5. Step 5: Solve for x
    x = 57,266.06/253.41
  6. Step 6: Final answer
    x = 225.98

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