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Finding the Fourth Proportional to 359.49, 536.39 and 324.93

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Solution

The fourth proportional to 359.49, 536.39 and 324.93 is: 484.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.49 : 536.39 = 324.93 : x
  2. Step 2: Convert to fraction form
    359.49/536.39 = 324.93/x
  3. Step 3: Cross multiply
    359.49x = 536.39 × 324.93
  4. Step 4: Simplify right side
    359.49x = 174,287.58
  5. Step 5: Solve for x
    x = 174,287.58/359.49
  6. Step 6: Final answer
    x = 484.82

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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.