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Finding the Fourth Proportional to 350.66, 525.79 and 152.82

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Solution

The fourth proportional to 350.66, 525.79 and 152.82 is: 229.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.66 : 525.79 = 152.82 : x
  2. Step 2: Convert to fraction form
    350.66/525.79 = 152.82/x
  3. Step 3: Cross multiply
    350.66x = 525.79 × 152.82
  4. Step 4: Simplify right side
    350.66x = 80,351.42
  5. Step 5: Solve for x
    x = 80,351.42/350.66
  6. Step 6: Final answer
    x = 229.14

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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.