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Finding the Fourth Proportional to 358.24, 491.54 and 352.08

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Solution

The fourth proportional to 358.24, 491.54 and 352.08 is: 483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.24 : 491.54 = 352.08 : x
  2. Step 2: Convert to fraction form
    358.24/491.54 = 352.08/x
  3. Step 3: Cross multiply
    358.24x = 491.54 × 352.08
  4. Step 4: Simplify right side
    358.24x = 173,064.69
  5. Step 5: Solve for x
    x = 173,064.69/358.24
  6. Step 6: Final answer
    x = 483.10

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.