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Finding the Fourth Proportional to 250.68, 376.02 and 153.18

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Solution

The fourth proportional to 250.68, 376.02 and 153.18 is: 229.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.68 : 376.02 = 153.18 : x
  2. Step 2: Convert to fraction form
    250.68/376.02 = 153.18/x
  3. Step 3: Cross multiply
    250.68x = 376.02 × 153.18
  4. Step 4: Simplify right side
    250.68x = 57,598.74
  5. Step 5: Solve for x
    x = 57,598.74/250.68
  6. Step 6: Final answer
    x = 229.77

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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.