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Finding the Fourth Proportional to 465.39, 699.53 and 293.17

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Solution

The fourth proportional to 465.39, 699.53 and 293.17 is: 440.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.39 : 699.53 = 293.17 : x
  2. Step 2: Convert to fraction form
    465.39/699.53 = 293.17/x
  3. Step 3: Cross multiply
    465.39x = 699.53 × 293.17
  4. Step 4: Simplify right side
    465.39x = 205,081.21
  5. Step 5: Solve for x
    x = 205,081.21/465.39
  6. Step 6: Final answer
    x = 440.67

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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.