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Finding the Fourth Proportional to 374.65, 562.07 and 192.04

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Solution

The fourth proportional to 374.65, 562.07 and 192.04 is: 288.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.65 : 562.07 = 192.04 : x
  2. Step 2: Convert to fraction form
    374.65/562.07 = 192.04/x
  3. Step 3: Cross multiply
    374.65x = 562.07 × 192.04
  4. Step 4: Simplify right side
    374.65x = 107,939.92
  5. Step 5: Solve for x
    x = 107,939.92/374.65
  6. Step 6: Final answer
    x = 288.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.