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Finding the Fourth Proportional to 245.04, 367.29 and 114.90

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Solution

The fourth proportional to 245.04, 367.29 and 114.90 is: 172.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.04 : 367.29 = 114.90 : x
  2. Step 2: Convert to fraction form
    245.04/367.29 = 114.90/x
  3. Step 3: Cross multiply
    245.04x = 367.29 × 114.90
  4. Step 4: Simplify right side
    245.04x = 42,201.62
  5. Step 5: Solve for x
    x = 42,201.62/245.04
  6. Step 6: Final answer
    x = 172.22

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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.