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Finding the Fourth Proportional to 555.33, 767.09 and 425.94

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Solution

The fourth proportional to 555.33, 767.09 and 425.94 is: 588.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.33 : 767.09 = 425.94 : x
  2. Step 2: Convert to fraction form
    555.33/767.09 = 425.94/x
  3. Step 3: Cross multiply
    555.33x = 767.09 × 425.94
  4. Step 4: Simplify right side
    555.33x = 326,734.31
  5. Step 5: Solve for x
    x = 326,734.31/555.33
  6. Step 6: Final answer
    x = 588.36

Related Problems

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Double scale
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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.