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Finding the Fourth Proportional to 536.41, 743.37 and 526.69

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Solution

The fourth proportional to 536.41, 743.37 and 526.69 is: 729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.41 : 743.37 = 526.69 : x
  2. Step 2: Convert to fraction form
    536.41/743.37 = 526.69/x
  3. Step 3: Cross multiply
    536.41x = 743.37 × 526.69
  4. Step 4: Simplify right side
    536.41x = 391,525.55
  5. Step 5: Solve for x
    x = 391,525.55/536.41
  6. Step 6: Final answer
    x = 729.90

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.