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Finding the Fourth Proportional to 556.75, 767.73 and 370.27

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Solution

The fourth proportional to 556.75, 767.73 and 370.27 is: 510.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.75 : 767.73 = 370.27 : x
  2. Step 2: Convert to fraction form
    556.75/767.73 = 370.27/x
  3. Step 3: Cross multiply
    556.75x = 767.73 × 370.27
  4. Step 4: Simplify right side
    556.75x = 284,267.39
  5. Step 5: Solve for x
    x = 284,267.39/556.75
  6. Step 6: Final answer
    x = 510.58

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Find fourth proportional to 278.38, 383.87 and 185.14
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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.