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Finding the Fourth Proportional to 479.29, 715.04 and 473.15

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Solution

The fourth proportional to 479.29, 715.04 and 473.15 is: 705.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    479.29 : 715.04 = 473.15 : x
  2. Step 2: Convert to fraction form
    479.29/715.04 = 473.15/x
  3. Step 3: Cross multiply
    479.29x = 715.04 × 473.15
  4. Step 4: Simplify right side
    479.29x = 338,321.18
  5. Step 5: Solve for x
    x = 338,321.18/479.29
  6. Step 6: Final answer
    x = 705.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.