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Finding the Fourth Proportional to 589.44, 888.59 and 549.81

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Solution

The fourth proportional to 589.44, 888.59 and 549.81 is: 828.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.44 : 888.59 = 549.81 : x
  2. Step 2: Convert to fraction form
    589.44/888.59 = 549.81/x
  3. Step 3: Cross multiply
    589.44x = 888.59 × 549.81
  4. Step 4: Simplify right side
    589.44x = 488,555.67
  5. Step 5: Solve for x
    x = 488,555.67/589.44
  6. Step 6: Final answer
    x = 828.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.