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Finding the Fourth Proportional to 504.55, 756.35 and 196.32

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Solution

The fourth proportional to 504.55, 756.35 and 196.32 is: 294.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.55 : 756.35 = 196.32 : x
  2. Step 2: Convert to fraction form
    504.55/756.35 = 196.32/x
  3. Step 3: Cross multiply
    504.55x = 756.35 × 196.32
  4. Step 4: Simplify right side
    504.55x = 148,486.63
  5. Step 5: Solve for x
    x = 148,486.63/504.55
  6. Step 6: Final answer
    x = 294.30

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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.