Home / 993.24-1,370.75-551.18

Finding the Fourth Proportional to 993.24, 1,370.75 and 551.18

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Solution

The fourth proportional to 993.24, 1,370.75 and 551.18 is: 760.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    993.24 : 1,370.75 = 551.18 : x
  2. Step 2: Convert to fraction form
    993.24/1,370.75 = 551.18/x
  3. Step 3: Cross multiply
    993.24x = 1,370.75 × 551.18
  4. Step 4: Simplify right side
    993.24x = 755,529.99
  5. Step 5: Solve for x
    x = 755,529.99/993.24
  6. Step 6: Final answer
    x = 760.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.