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Finding the Fourth Proportional to 497.23, 744.82 and 291.18

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Solution

The fourth proportional to 497.23, 744.82 and 291.18 is: 436.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    497.23 : 744.82 = 291.18 : x
  2. Step 2: Convert to fraction form
    497.23/744.82 = 291.18/x
  3. Step 3: Cross multiply
    497.23x = 744.82 × 291.18
  4. Step 4: Simplify right side
    497.23x = 216,876.69
  5. Step 5: Solve for x
    x = 216,876.69/497.23
  6. Step 6: Final answer
    x = 436.17

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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.