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Finding the Fourth Proportional to 497.97, 747.36 and 374.45

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Solution

The fourth proportional to 497.97, 747.36 and 374.45 is: 561.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    497.97 : 747.36 = 374.45 : x
  2. Step 2: Convert to fraction form
    497.97/747.36 = 374.45/x
  3. Step 3: Cross multiply
    497.97x = 747.36 × 374.45
  4. Step 4: Simplify right side
    497.97x = 279,845.22
  5. Step 5: Solve for x
    x = 279,845.22/497.97
  6. Step 6: Final answer
    x = 561.97

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.