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Finding the Fourth Proportional to 154.76, 233.30 and 152.60

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Solution

The fourth proportional to 154.76, 233.30 and 152.60 is: 230.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    154.76 : 233.30 = 152.60 : x
  2. Step 2: Convert to fraction form
    154.76/233.30 = 152.60/x
  3. Step 3: Cross multiply
    154.76x = 233.30 × 152.60
  4. Step 4: Simplify right side
    154.76x = 35,601.58
  5. Step 5: Solve for x
    x = 35,601.58/154.76
  6. Step 6: Final answer
    x = 230.04

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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.