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Finding the Fourth Proportional to 154.41, 232.62 and 152.52

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Solution

The fourth proportional to 154.41, 232.62 and 152.52 is: 229.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154.41 : 232.62 = 152.52 : x
  2. Step 2: Convert to fraction form
    154.41/232.62 = 152.52/x
  3. Step 3: Cross multiply
    154.41x = 232.62 × 152.52
  4. Step 4: Simplify right side
    154.41x = 35,479.20
  5. Step 5: Solve for x
    x = 35,479.20/154.41
  6. Step 6: Final answer
    x = 229.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.