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Finding the Fourth Proportional to 250.48, 375.99 and 153.19

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Solution

The fourth proportional to 250.48, 375.99 and 153.19 is: 229.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.48 : 375.99 = 153.19 : x
  2. Step 2: Convert to fraction form
    250.48/375.99 = 153.19/x
  3. Step 3: Cross multiply
    250.48x = 375.99 × 153.19
  4. Step 4: Simplify right side
    250.48x = 57,597.91
  5. Step 5: Solve for x
    x = 57,597.91/250.48
  6. Step 6: Final answer
    x = 229.95

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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.