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Finding the Fourth Proportional to 359.58, 537.51 and 267.42

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Solution

The fourth proportional to 359.58, 537.51 and 267.42 is: 399.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.58 : 537.51 = 267.42 : x
  2. Step 2: Convert to fraction form
    359.58/537.51 = 267.42/x
  3. Step 3: Cross multiply
    359.58x = 537.51 × 267.42
  4. Step 4: Simplify right side
    359.58x = 143,740.92
  5. Step 5: Solve for x
    x = 143,740.92/359.58
  6. Step 6: Final answer
    x = 399.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.