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Finding the Fourth Proportional to 358.76, 535.98 and 297.41

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Solution

The fourth proportional to 358.76, 535.98 and 297.41 is: 444.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.76 : 535.98 = 297.41 : x
  2. Step 2: Convert to fraction form
    358.76/535.98 = 297.41/x
  3. Step 3: Cross multiply
    358.76x = 535.98 × 297.41
  4. Step 4: Simplify right side
    358.76x = 159,404.25
  5. Step 5: Solve for x
    x = 159,404.25/358.76
  6. Step 6: Final answer
    x = 444.32

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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.