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Finding the Fourth Proportional to 500.19, 750.29 and 134.99

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Solution

The fourth proportional to 500.19, 750.29 and 134.99 is: 202.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    500.19 : 750.29 = 134.99 : x
  2. Step 2: Convert to fraction form
    500.19/750.29 = 134.99/x
  3. Step 3: Cross multiply
    500.19x = 750.29 × 134.99
  4. Step 4: Simplify right side
    500.19x = 101,277.22
  5. Step 5: Solve for x
    x = 101,277.22/500.19
  6. Step 6: Final answer
    x = 202.48

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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.