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Finding the Fourth Proportional to 460.96, 691.50 and 152.73

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Solution

The fourth proportional to 460.96, 691.50 and 152.73 is: 229.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.96 : 691.50 = 152.73 : x
  2. Step 2: Convert to fraction form
    460.96/691.50 = 152.73/x
  3. Step 3: Cross multiply
    460.96x = 691.50 × 152.73
  4. Step 4: Simplify right side
    460.96x = 105,612.80
  5. Step 5: Solve for x
    x = 105,612.80/460.96
  6. Step 6: Final answer
    x = 229.12

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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.