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Finding the Fourth Proportional to 555.56, 767.14 and 359.24

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Solution

The fourth proportional to 555.56, 767.14 and 359.24 is: 496.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.56 : 767.14 = 359.24 : x
  2. Step 2: Convert to fraction form
    555.56/767.14 = 359.24/x
  3. Step 3: Cross multiply
    555.56x = 767.14 × 359.24
  4. Step 4: Simplify right side
    555.56x = 275,587.37
  5. Step 5: Solve for x
    x = 275,587.37/555.56
  6. Step 6: Final answer
    x = 496.05

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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.