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Finding the Fourth Proportional to 375.94, 556.24 and 374.86

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Solution

The fourth proportional to 375.94, 556.24 and 374.86 is: 554.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.94 : 556.24 = 374.86 : x
  2. Step 2: Convert to fraction form
    375.94/556.24 = 374.86/x
  3. Step 3: Cross multiply
    375.94x = 556.24 × 374.86
  4. Step 4: Simplify right side
    375.94x = 208,512.13
  5. Step 5: Solve for x
    x = 208,512.13/375.94
  6. Step 6: Final answer
    x = 554.64

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.