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Finding the Fourth Proportional to 154.48, 213.34 and 132.52

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Solution

The fourth proportional to 154.48, 213.34 and 132.52 is: 183.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    154.48 : 213.34 = 132.52 : x
  2. Step 2: Convert to fraction form
    154.48/213.34 = 132.52/x
  3. Step 3: Cross multiply
    154.48x = 213.34 × 132.52
  4. Step 4: Simplify right side
    154.48x = 28,271.82
  5. Step 5: Solve for x
    x = 28,271.82/154.48
  6. Step 6: Final answer
    x = 183.01

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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.