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Finding the Fourth Proportional to 554.04, 828.15 and 542.52

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Solution

The fourth proportional to 554.04, 828.15 and 542.52 is: 810.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.04 : 828.15 = 542.52 : x
  2. Step 2: Convert to fraction form
    554.04/828.15 = 542.52/x
  3. Step 3: Cross multiply
    554.04x = 828.15 × 542.52
  4. Step 4: Simplify right side
    554.04x = 449,287.94
  5. Step 5: Solve for x
    x = 449,287.94/554.04
  6. Step 6: Final answer
    x = 810.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.