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Finding the Fourth Proportional to 351.53, 526.25 and 336.50

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Solution

The fourth proportional to 351.53, 526.25 and 336.50 is: 503.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.53 : 526.25 = 336.50 : x
  2. Step 2: Convert to fraction form
    351.53/526.25 = 336.50/x
  3. Step 3: Cross multiply
    351.53x = 526.25 × 336.50
  4. Step 4: Simplify right side
    351.53x = 177,081.33
  5. Step 5: Solve for x
    x = 177,081.33/351.53
  6. Step 6: Final answer
    x = 503.74

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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.