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Finding the Fourth Proportional to 473.51, 653.48 and 263.69

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Solution

The fourth proportional to 473.51, 653.48 and 263.69 is: 363.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.51 : 653.48 = 263.69 : x
  2. Step 2: Convert to fraction form
    473.51/653.48 = 263.69/x
  3. Step 3: Cross multiply
    473.51x = 653.48 × 263.69
  4. Step 4: Simplify right side
    473.51x = 172,311.56
  5. Step 5: Solve for x
    x = 172,311.56/473.51
  6. Step 6: Final answer
    x = 363.90

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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.