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Finding the Fourth Proportional to 366.22, 508.06 and 348.40

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Solution

The fourth proportional to 366.22, 508.06 and 348.40 is: 483.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.22 : 508.06 = 348.40 : x
  2. Step 2: Convert to fraction form
    366.22/508.06 = 348.40/x
  3. Step 3: Cross multiply
    366.22x = 508.06 × 348.40
  4. Step 4: Simplify right side
    366.22x = 177,008.10
  5. Step 5: Solve for x
    x = 177,008.10/366.22
  6. Step 6: Final answer
    x = 483.34

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.