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Finding the Fourth Proportional to 252.18, 375.40 and 250.81

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Solution

The fourth proportional to 252.18, 375.40 and 250.81 is: 373.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.18 : 375.40 = 250.81 : x
  2. Step 2: Convert to fraction form
    252.18/375.40 = 250.81/x
  3. Step 3: Cross multiply
    252.18x = 375.40 × 250.81
  4. Step 4: Simplify right side
    252.18x = 94,153.45
  5. Step 5: Solve for x
    x = 94,153.45/252.18
  6. Step 6: Final answer
    x = 373.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.