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Finding the Fourth Proportional to 573, 858.54 and 503.08

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Solution

The fourth proportional to 573, 858.54 and 503.08 is: 753.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    573 : 858.54 = 503.08 : x
  2. Step 2: Convert to fraction form
    573/858.54 = 503.08/x
  3. Step 3: Cross multiply
    573x = 858.54 × 503.08
  4. Step 4: Simplify right side
    573x = 431,914.30
  5. Step 5: Solve for x
    x = 431,914.30/573
  6. Step 6: Final answer
    x = 753.78

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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.