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Finding the Fourth Proportional to 296.50, 444.81 and 125.50

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Solution

The fourth proportional to 296.50, 444.81 and 125.50 is: 188.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.50 : 444.81 = 125.50 : x
  2. Step 2: Convert to fraction form
    296.50/444.81 = 125.50/x
  3. Step 3: Cross multiply
    296.50x = 444.81 × 125.50
  4. Step 4: Simplify right side
    296.50x = 55,823.66
  5. Step 5: Solve for x
    x = 55,823.66/296.50
  6. Step 6: Final answer
    x = 188.28

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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.