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Finding the Fourth Proportional to 760.92, 1,141.53 and 233.82

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Solution

The fourth proportional to 760.92, 1,141.53 and 233.82 is: 350.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    760.92 : 1,141.53 = 233.82 : x
  2. Step 2: Convert to fraction form
    760.92/1,141.53 = 233.82/x
  3. Step 3: Cross multiply
    760.92x = 1,141.53 × 233.82
  4. Step 4: Simplify right side
    760.92x = 266,912.54
  5. Step 5: Solve for x
    x = 266,912.54/760.92
  6. Step 6: Final answer
    x = 350.78

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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.