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Finding the Fourth Proportional to 359.09, 534.77 and 346.94

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Solution

The fourth proportional to 359.09, 534.77 and 346.94 is: 516.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.09 : 534.77 = 346.94 : x
  2. Step 2: Convert to fraction form
    359.09/534.77 = 346.94/x
  3. Step 3: Cross multiply
    359.09x = 534.77 × 346.94
  4. Step 4: Simplify right side
    359.09x = 185,533.10
  5. Step 5: Solve for x
    x = 185,533.10/359.09
  6. Step 6: Final answer
    x = 516.68

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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.