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Finding the Fourth Proportional to 504.55, 756.22 and 230.37

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Solution

The fourth proportional to 504.55, 756.22 and 230.37 is: 345.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.55 : 756.22 = 230.37 : x
  2. Step 2: Convert to fraction form
    504.55/756.22 = 230.37/x
  3. Step 3: Cross multiply
    504.55x = 756.22 × 230.37
  4. Step 4: Simplify right side
    504.55x = 174,210.40
  5. Step 5: Solve for x
    x = 174,210.40/504.55
  6. Step 6: Final answer
    x = 345.28

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Double scale
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Similar ratio
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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.