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Finding the Fourth Proportional to 217.02, 325.53 and 101.37

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Solution

The fourth proportional to 217.02, 325.53 and 101.37 is: 152.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    217.02 : 325.53 = 101.37 : x
  2. Step 2: Convert to fraction form
    217.02/325.53 = 101.37/x
  3. Step 3: Cross multiply
    217.02x = 325.53 × 101.37
  4. Step 4: Simplify right side
    217.02x = 32,998.98
  5. Step 5: Solve for x
    x = 32,998.98/217.02
  6. Step 6: Final answer
    x = 152.06

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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.