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Finding the Fourth Proportional to 573.08, 854.11 and 560.72

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Solution

The fourth proportional to 573.08, 854.11 and 560.72 is: 835.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.08 : 854.11 = 560.72 : x
  2. Step 2: Convert to fraction form
    573.08/854.11 = 560.72/x
  3. Step 3: Cross multiply
    573.08x = 854.11 × 560.72
  4. Step 4: Simplify right side
    573.08x = 478,919.40
  5. Step 5: Solve for x
    x = 478,919.40/573.08
  6. Step 6: Final answer
    x = 835.70

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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.