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Finding the Fourth Proportional to 178.50, 246.17 and 150.93

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Solution

The fourth proportional to 178.50, 246.17 and 150.93 is: 208.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.50 : 246.17 = 150.93 : x
  2. Step 2: Convert to fraction form
    178.50/246.17 = 150.93/x
  3. Step 3: Cross multiply
    178.50x = 246.17 × 150.93
  4. Step 4: Simplify right side
    178.50x = 37,154.82
  5. Step 5: Solve for x
    x = 37,154.82/178.50
  6. Step 6: Final answer
    x = 208.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.