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Finding the Fourth Proportional to 350.36, 525.32 and 155.35

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Solution

The fourth proportional to 350.36, 525.32 and 155.35 is: 232.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.36 : 525.32 = 155.35 : x
  2. Step 2: Convert to fraction form
    350.36/525.32 = 155.35/x
  3. Step 3: Cross multiply
    350.36x = 525.32 × 155.35
  4. Step 4: Simplify right side
    350.36x = 81,608.92
  5. Step 5: Solve for x
    x = 81,608.92/350.36
  6. Step 6: Final answer
    x = 232.93

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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.