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Finding the Fourth Proportional to 540.05, 745.58 and 433.44

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Solution

The fourth proportional to 540.05, 745.58 and 433.44 is: 598.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    540.05 : 745.58 = 433.44 : x
  2. Step 2: Convert to fraction form
    540.05/745.58 = 433.44/x
  3. Step 3: Cross multiply
    540.05x = 745.58 × 433.44
  4. Step 4: Simplify right side
    540.05x = 323,161.25
  5. Step 5: Solve for x
    x = 323,161.25/540.05
  6. Step 6: Final answer
    x = 598.39

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.