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Finding the Fourth Proportional to 472.32, 650.88 and 334.08

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Solution

The fourth proportional to 472.32, 650.88 and 334.08 is: 460.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.32 : 650.88 = 334.08 : x
  2. Step 2: Convert to fraction form
    472.32/650.88 = 334.08/x
  3. Step 3: Cross multiply
    472.32x = 650.88 × 334.08
  4. Step 4: Simplify right side
    472.32x = 217,445.99
  5. Step 5: Solve for x
    x = 217,445.99/472.32
  6. Step 6: Final answer
    x = 460.38

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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.