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Finding the Fourth Proportional to 369.18, 549.90 and 350.46

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Solution

The fourth proportional to 369.18, 549.90 and 350.46 is: 522.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.18 : 549.90 = 350.46 : x
  2. Step 2: Convert to fraction form
    369.18/549.90 = 350.46/x
  3. Step 3: Cross multiply
    369.18x = 549.90 × 350.46
  4. Step 4: Simplify right side
    369.18x = 192,717.95
  5. Step 5: Solve for x
    x = 192,717.95/369.18
  6. Step 6: Final answer
    x = 522.02

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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.