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Finding the Fourth Proportional to 350.73, 526.25 and 155.63

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Solution

The fourth proportional to 350.73, 526.25 and 155.63 is: 233.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.73 : 526.25 = 155.63 : x
  2. Step 2: Convert to fraction form
    350.73/526.25 = 155.63/x
  3. Step 3: Cross multiply
    350.73x = 526.25 × 155.63
  4. Step 4: Simplify right side
    350.73x = 81,900.29
  5. Step 5: Solve for x
    x = 81,900.29/350.73
  6. Step 6: Final answer
    x = 233.51

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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.