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Finding the Fourth Proportional to 554.16, 827.79 and 410.16

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Solution

The fourth proportional to 554.16, 827.79 and 410.16 is: 612.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.16 : 827.79 = 410.16 : x
  2. Step 2: Convert to fraction form
    554.16/827.79 = 410.16/x
  3. Step 3: Cross multiply
    554.16x = 827.79 × 410.16
  4. Step 4: Simplify right side
    554.16x = 339,526.35
  5. Step 5: Solve for x
    x = 339,526.35/554.16
  6. Step 6: Final answer
    x = 612.69

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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.