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Finding the Fourth Proportional to 552.14, 762.23 and 427.52

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Solution

The fourth proportional to 552.14, 762.23 and 427.52 is: 590.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.14 : 762.23 = 427.52 : x
  2. Step 2: Convert to fraction form
    552.14/762.23 = 427.52/x
  3. Step 3: Cross multiply
    552.14x = 762.23 × 427.52
  4. Step 4: Simplify right side
    552.14x = 325,865.83
  5. Step 5: Solve for x
    x = 325,865.83/552.14
  6. Step 6: Final answer
    x = 590.19

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1.5x scale

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.