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Finding the Fourth Proportional to 473.53, 653.43 and 263.71

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Solution

The fourth proportional to 473.53, 653.43 and 263.71 is: 363.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.53 : 653.43 = 263.71 : x
  2. Step 2: Convert to fraction form
    473.53/653.43 = 263.71/x
  3. Step 3: Cross multiply
    473.53x = 653.43 × 263.71
  4. Step 4: Simplify right side
    473.53x = 172,312.76
  5. Step 5: Solve for x
    x = 172,312.76/473.53
  6. Step 6: Final answer
    x = 363.89

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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.