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Finding the Fourth Proportional to 554.07, 829.82 and 275.92

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Solution

The fourth proportional to 554.07, 829.82 and 275.92 is: 413.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.07 : 829.82 = 275.92 : x
  2. Step 2: Convert to fraction form
    554.07/829.82 = 275.92/x
  3. Step 3: Cross multiply
    554.07x = 829.82 × 275.92
  4. Step 4: Simplify right side
    554.07x = 228,962.55
  5. Step 5: Solve for x
    x = 228,962.55/554.07
  6. Step 6: Final answer
    x = 413.24

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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.