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Finding the Fourth Proportional to 374.27, 562.55 and 238.19

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Solution

The fourth proportional to 374.27, 562.55 and 238.19 is: 358.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.27 : 562.55 = 238.19 : x
  2. Step 2: Convert to fraction form
    374.27/562.55 = 238.19/x
  3. Step 3: Cross multiply
    374.27x = 562.55 × 238.19
  4. Step 4: Simplify right side
    374.27x = 133,989.78
  5. Step 5: Solve for x
    x = 133,989.78/374.27
  6. Step 6: Final answer
    x = 358.01

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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.