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Finding the Fourth Proportional to 473.92, 710.19 and 370.69

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Solution

The fourth proportional to 473.92, 710.19 and 370.69 is: 555.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.92 : 710.19 = 370.69 : x
  2. Step 2: Convert to fraction form
    473.92/710.19 = 370.69/x
  3. Step 3: Cross multiply
    473.92x = 710.19 × 370.69
  4. Step 4: Simplify right side
    473.92x = 263,258.56
  5. Step 5: Solve for x
    x = 263,258.56/473.92
  6. Step 6: Final answer
    x = 555.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.