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Finding the Fourth Proportional to 581.24, 799.98 and 555.32

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Solution

The fourth proportional to 581.24, 799.98 and 555.32 is: 764.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.24 : 799.98 = 555.32 : x
  2. Step 2: Convert to fraction form
    581.24/799.98 = 555.32/x
  3. Step 3: Cross multiply
    581.24x = 799.98 × 555.32
  4. Step 4: Simplify right side
    581.24x = 444,244.89
  5. Step 5: Solve for x
    x = 444,244.89/581.24
  6. Step 6: Final answer
    x = 764.31

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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.