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Finding the Fourth Proportional to 292.08, 436.44 and 251.64

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Solution

The fourth proportional to 292.08, 436.44 and 251.64 is: 376.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.08 : 436.44 = 251.64 : x
  2. Step 2: Convert to fraction form
    292.08/436.44 = 251.64/x
  3. Step 3: Cross multiply
    292.08x = 436.44 × 251.64
  4. Step 4: Simplify right side
    292.08x = 109,825.76
  5. Step 5: Solve for x
    x = 109,825.76/292.08
  6. Step 6: Final answer
    x = 376.01

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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.