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Finding the Fourth Proportional to 537.05, 740.25 and 475.53

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Solution

The fourth proportional to 537.05, 740.25 and 475.53 is: 655.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.05 : 740.25 = 475.53 : x
  2. Step 2: Convert to fraction form
    537.05/740.25 = 475.53/x
  3. Step 3: Cross multiply
    537.05x = 740.25 × 475.53
  4. Step 4: Simplify right side
    537.05x = 352,011.08
  5. Step 5: Solve for x
    x = 352,011.08/537.05
  6. Step 6: Final answer
    x = 655.46

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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.