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Finding the Fourth Proportional to 253.18, 379.29 and 150.16

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Solution

The fourth proportional to 253.18, 379.29 and 150.16 is: 224.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    253.18 : 379.29 = 150.16 : x
  2. Step 2: Convert to fraction form
    253.18/379.29 = 150.16/x
  3. Step 3: Cross multiply
    253.18x = 379.29 × 150.16
  4. Step 4: Simplify right side
    253.18x = 56,954.19
  5. Step 5: Solve for x
    x = 56,954.19/253.18
  6. Step 6: Final answer
    x = 224.96

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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.