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Finding the Fourth Proportional to 450.02, 672.13 and 367.94

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Solution

The fourth proportional to 450.02, 672.13 and 367.94 is: 549.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    450.02 : 672.13 = 367.94 : x
  2. Step 2: Convert to fraction form
    450.02/672.13 = 367.94/x
  3. Step 3: Cross multiply
    450.02x = 672.13 × 367.94
  4. Step 4: Simplify right side
    450.02x = 247,303.51
  5. Step 5: Solve for x
    x = 247,303.51/450.02
  6. Step 6: Final answer
    x = 549.54

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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.