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Finding the Fourth Proportional to 701.55, 1,050.72 and 336.59

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Solution

The fourth proportional to 701.55, 1,050.72 and 336.59 is: 504.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.55 : 1,050.72 = 336.59 : x
  2. Step 2: Convert to fraction form
    701.55/1,050.72 = 336.59/x
  3. Step 3: Cross multiply
    701.55x = 1,050.72 × 336.59
  4. Step 4: Simplify right side
    701.55x = 353,661.84
  5. Step 5: Solve for x
    x = 353,661.84/701.55
  6. Step 6: Final answer
    x = 504.11

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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.