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Finding the Fourth Proportional to 193.53, 267.12 and 152.37

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Solution

The fourth proportional to 193.53, 267.12 and 152.37 is: 210.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.53 : 267.12 = 152.37 : x
  2. Step 2: Convert to fraction form
    193.53/267.12 = 152.37/x
  3. Step 3: Cross multiply
    193.53x = 267.12 × 152.37
  4. Step 4: Simplify right side
    193.53x = 40,701.07
  5. Step 5: Solve for x
    x = 40,701.07/193.53
  6. Step 6: Final answer
    x = 210.31

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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.