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Finding the Fourth Proportional to 522.95, 721.44 and 336.37

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Solution

The fourth proportional to 522.95, 721.44 and 336.37 is: 464.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    522.95 : 721.44 = 336.37 : x
  2. Step 2: Convert to fraction form
    522.95/721.44 = 336.37/x
  3. Step 3: Cross multiply
    522.95x = 721.44 × 336.37
  4. Step 4: Simplify right side
    522.95x = 242,670.32
  5. Step 5: Solve for x
    x = 242,670.32/522.95
  6. Step 6: Final answer
    x = 464.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.