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Finding the Fourth Proportional to 591.62, 888.98 and 554.72

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Solution

The fourth proportional to 591.62, 888.98 and 554.72 is: 833.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.62 : 888.98 = 554.72 : x
  2. Step 2: Convert to fraction form
    591.62/888.98 = 554.72/x
  3. Step 3: Cross multiply
    591.62x = 888.98 × 554.72
  4. Step 4: Simplify right side
    591.62x = 493,127.77
  5. Step 5: Solve for x
    x = 493,127.77/591.62
  6. Step 6: Final answer
    x = 833.53

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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.