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Finding the Fourth Proportional to 568.62, 848.60 and 554.04

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Solution

The fourth proportional to 568.62, 848.60 and 554.04 is: 826.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.62 : 848.60 = 554.04 : x
  2. Step 2: Convert to fraction form
    568.62/848.60 = 554.04/x
  3. Step 3: Cross multiply
    568.62x = 848.60 × 554.04
  4. Step 4: Simplify right side
    568.62x = 470,158.34
  5. Step 5: Solve for x
    x = 470,158.34/568.62
  6. Step 6: Final answer
    x = 826.84

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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.