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Finding the Fourth Proportional to 369.02, 550.18 and 341.66

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Solution

The fourth proportional to 369.02, 550.18 and 341.66 is: 509.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.02 : 550.18 = 341.66 : x
  2. Step 2: Convert to fraction form
    369.02/550.18 = 341.66/x
  3. Step 3: Cross multiply
    369.02x = 550.18 × 341.66
  4. Step 4: Simplify right side
    369.02x = 187,974.50
  5. Step 5: Solve for x
    x = 187,974.50/369.02
  6. Step 6: Final answer
    x = 509.39

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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.