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Finding the Fourth Proportional to 525.05, 786.80 and 467.38

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Solution

The fourth proportional to 525.05, 786.80 and 467.38 is: 700.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.05 : 786.80 = 467.38 : x
  2. Step 2: Convert to fraction form
    525.05/786.80 = 467.38/x
  3. Step 3: Cross multiply
    525.05x = 786.80 × 467.38
  4. Step 4: Simplify right side
    525.05x = 367,734.58
  5. Step 5: Solve for x
    x = 367,734.58/525.05
  6. Step 6: Final answer
    x = 700.38

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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.