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Finding the Fourth Proportional to 473.52, 653.40 and 263.68

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Solution

The fourth proportional to 473.52, 653.40 and 263.68 is: 363.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.52 : 653.40 = 263.68 : x
  2. Step 2: Convert to fraction form
    473.52/653.40 = 263.68/x
  3. Step 3: Cross multiply
    473.52x = 653.40 × 263.68
  4. Step 4: Simplify right side
    473.52x = 172,288.51
  5. Step 5: Solve for x
    x = 172,288.51/473.52
  6. Step 6: Final answer
    x = 363.85

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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.