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Finding the Fourth Proportional to 570.08, 854.90 and 204.77

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Solution

The fourth proportional to 570.08, 854.90 and 204.77 is: 307.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    570.08 : 854.90 = 204.77 : x
  2. Step 2: Convert to fraction form
    570.08/854.90 = 204.77/x
  3. Step 3: Cross multiply
    570.08x = 854.90 × 204.77
  4. Step 4: Simplify right side
    570.08x = 175,059.75
  5. Step 5: Solve for x
    x = 175,059.75/570.08
  6. Step 6: Final answer
    x = 307.08

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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.