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Finding the Fourth Proportional to 225.04, 336.08 and 192.19

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Solution

The fourth proportional to 225.04, 336.08 and 192.19 is: 287.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.04 : 336.08 = 192.19 : x
  2. Step 2: Convert to fraction form
    225.04/336.08 = 192.19/x
  3. Step 3: Cross multiply
    225.04x = 336.08 × 192.19
  4. Step 4: Simplify right side
    225.04x = 64,590.25
  5. Step 5: Solve for x
    x = 64,590.25/225.04
  6. Step 6: Final answer
    x = 287.02

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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.