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Finding the Fourth Proportional to 573.04, 858.89 and 243.87

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Solution

The fourth proportional to 573.04, 858.89 and 243.87 is: 365.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.04 : 858.89 = 243.87 : x
  2. Step 2: Convert to fraction form
    573.04/858.89 = 243.87/x
  3. Step 3: Cross multiply
    573.04x = 858.89 × 243.87
  4. Step 4: Simplify right side
    573.04x = 209,456.59
  5. Step 5: Solve for x
    x = 209,456.59/573.04
  6. Step 6: Final answer
    x = 365.52

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Double scale
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Similar ratio
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1.5x scale

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.