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Finding the Fourth Proportional to 472.04, 651.46 and 275.48

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Solution

The fourth proportional to 472.04, 651.46 and 275.48 is: 380.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.04 : 651.46 = 275.48 : x
  2. Step 2: Convert to fraction form
    472.04/651.46 = 275.48/x
  3. Step 3: Cross multiply
    472.04x = 651.46 × 275.48
  4. Step 4: Simplify right side
    472.04x = 179,464.20
  5. Step 5: Solve for x
    x = 179,464.20/472.04
  6. Step 6: Final answer
    x = 380.19

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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.