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Finding the Fourth Proportional to 368.42, 549.92 and 333.99

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Solution

The fourth proportional to 368.42, 549.92 and 333.99 is: 498.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.42 : 549.92 = 333.99 : x
  2. Step 2: Convert to fraction form
    368.42/549.92 = 333.99/x
  3. Step 3: Cross multiply
    368.42x = 549.92 × 333.99
  4. Step 4: Simplify right side
    368.42x = 183,668.62
  5. Step 5: Solve for x
    x = 183,668.62/368.42
  6. Step 6: Final answer
    x = 498.54

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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.