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Finding the Fourth Proportional to 154.97, 232.50 and 63.67

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Solution

The fourth proportional to 154.97, 232.50 and 63.67 is: 95.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    154.97 : 232.50 = 63.67 : x
  2. Step 2: Convert to fraction form
    154.97/232.50 = 63.67/x
  3. Step 3: Cross multiply
    154.97x = 232.50 × 63.67
  4. Step 4: Simplify right side
    154.97x = 14,803.28
  5. Step 5: Solve for x
    x = 14,803.28/154.97
  6. Step 6: Final answer
    x = 95.52

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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.