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Finding the Fourth Proportional to 340.76, 508.58 and 332.55

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Solution

The fourth proportional to 340.76, 508.58 and 332.55 is: 496.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    340.76 : 508.58 = 332.55 : x
  2. Step 2: Convert to fraction form
    340.76/508.58 = 332.55/x
  3. Step 3: Cross multiply
    340.76x = 508.58 × 332.55
  4. Step 4: Simplify right side
    340.76x = 169,126.62
  5. Step 5: Solve for x
    x = 169,126.62/340.76
  6. Step 6: Final answer
    x = 496.33

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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.