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Finding the Fourth Proportional to 569.28, 848.72 and 554.84

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Solution

The fourth proportional to 569.28, 848.72 and 554.84 is: 827.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.28 : 848.72 = 554.84 : x
  2. Step 2: Convert to fraction form
    569.28/848.72 = 554.84/x
  3. Step 3: Cross multiply
    569.28x = 848.72 × 554.84
  4. Step 4: Simplify right side
    569.28x = 470,903.80
  5. Step 5: Solve for x
    x = 470,903.80/569.28
  6. Step 6: Final answer
    x = 827.19

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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.