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Finding the Fourth Proportional to 615.56, 850.07 and 526.52

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Solution

The fourth proportional to 615.56, 850.07 and 526.52 is: 727.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.56 : 850.07 = 526.52 : x
  2. Step 2: Convert to fraction form
    615.56/850.07 = 526.52/x
  3. Step 3: Cross multiply
    615.56x = 850.07 × 526.52
  4. Step 4: Simplify right side
    615.56x = 447,578.86
  5. Step 5: Solve for x
    x = 447,578.86/615.56
  6. Step 6: Final answer
    x = 727.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.