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Finding the Fourth Proportional to 358.69, 534.41 and 353.68

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Solution

The fourth proportional to 358.69, 534.41 and 353.68 is: 526.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.69 : 534.41 = 353.68 : x
  2. Step 2: Convert to fraction form
    358.69/534.41 = 353.68/x
  3. Step 3: Cross multiply
    358.69x = 534.41 × 353.68
  4. Step 4: Simplify right side
    358.69x = 189,010.13
  5. Step 5: Solve for x
    x = 189,010.13/358.69
  6. Step 6: Final answer
    x = 526.95

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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.