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Finding the Fourth Proportional to 540.16, 745.14 and 365.56

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Solution

The fourth proportional to 540.16, 745.14 and 365.56 is: 504.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    540.16 : 745.14 = 365.56 : x
  2. Step 2: Convert to fraction form
    540.16/745.14 = 365.56/x
  3. Step 3: Cross multiply
    540.16x = 745.14 × 365.56
  4. Step 4: Simplify right side
    540.16x = 272,393.38
  5. Step 5: Solve for x
    x = 272,393.38/540.16
  6. Step 6: Final answer
    x = 504.28

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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.